| Type | Company | CSIA Certified | City | State/Province | Country |
|---|
| Endorsed | Aseco Integrated Systems, Ltd. | YES | Oakville | ON | CANADA |
| Endorsed | Autoware S.r.l | | Vicenza | | ITALY |
| Endorsed | Avanceon | YES | Exton | PA | UNITED STATES |
| Endorsed | CDS Sistemas S.A. | | Rosario | Santa Fe | ARGENTINA |
| Endorsed | DLT&V Systems Engineering, Inc. | | Phoenix | AZ | UNITED STATES |
| Endorsed | E-Technologies Group, Inc. | | West Chester | OH | UNITED STATES |
| Endorsed | ENCO Enginyeria i Control S.L. | | Montmelo | Barcelona | SPAIN |
| Endorsed | G&O Automatisierungs GmbH | | Verden | | GERMANY |
| Endorsed | Genius Automacao de Sistemas, Ltda. | | Sao Paulo | SP | BRAZIL |
| Endorsed | Glenmount Global Solutions | YES | Longview | TX | UNITED STATES |
| Endorsed | Global Automation Partners - GAP | YES | Greenville | SC | UNITED STATES |
| Endorsed | INDEFF S.A. | | Bertrange | | LUXEMBOURG |
| Endorsed | IPACT, Inc. | | Valparaiso | IN | UNITED STATES |
| Endorsed | Key Solution Systems de Mexico S.A. de C.V. | | Zapopan | Jalisco | MEXICO |
| Endorsed | Prevas AB | YES | Vasteras | | SWEDEN |
| Endorsed | Progressive Software Solutions, Inc. | | Albany | OR | UNITED STATES |
| Endorsed | Stone Technologies, Inc. | YES | Chesterfield | MO | UNITED STATES |
| Endorsed | SYSMAKER Engenharia de Sistemas Lda. | | Lisboa | | PORTUGAL |
| Endorsed | TSD an Optimation Company | YES | Coatesville | PA | UNITED STATES |
| ArchestrA Certified | A & E Engineering, Inc. | | Greer | SC | UNITED STATES |
| ArchestrA Certified | AATIS, Incorporated | | Taylors | SC | UNITED STATES |
| ArchestrA Certified | AB Industry S.A. | | Ozarow Mazowiecki | | POLAND |
| ArchestrA Certified | ABIS s.c. | | Krakow | | POLAND |
| ArchestrA Certified | ACISA Aeronaval de Contrucciones | | Madrid | | SPAIN |
| ArchestrA Certified | ACS AG | | Wil | St. Gallen | SWITZERLAND |
| ArchestrA Certified | Actemium Belgium | | Aalter | Oost-Vlaanderen | BELGIUM |
| ArchestrA Certified | Actemium Starren B.V. | | Veghel | | NETHERLANDS |
| ArchestrA Certified | ADASA Sistemas, sau | | Barcelona | | SPAIN |
| ArchestrA Certified | Advansys | | Gauteng | | SOUTH AFRICA |
| ArchestrA Certified | AF | | Randers | | DENMARK |
| ArchestrA Certified | AF - Engineering AB | | Jonkoping | | SWEDEN |
| ArchestrA Certified | Affinity Automation | | Cornelius | NC | UNITED STATES |
| ArchestrA Certified | Agatos Software Engineering Pte Ltd. | | Singapore | | SINGAPORE |
| ArchestrA Certified | AMR Automation cc | | Cape Town | | SOUTH AFRICA |
| ArchestrA Certified | Apex Manufacturing Solutions | | Boise | ID | UNITED STATES |
| ArchestrA Certified | APS Automasjons AS | | Melhus | | NORWAY |
| ArchestrA Certified | AQUAPLAN, S.A. | | Alicante | | SPAIN |
| ArchestrA Certified | ARA Przedsiebiorstwo Automatyki | | Braniewo | | POLAND |
| ArchestrA Certified | Arlettaz Electrotechnique SA | | Collombey | Valais | SWITZERLAND |
| ArchestrA Certified | Armony | | Orleans Cedex 1 | | FRANCE |
| ArchestrA Certified | ASESA | | Barcelona | Catalunya | SPAIN |
| ArchestrA Certified | ASSI Sistemas e Instrumentacion | | El Masnou | Barcelona | SPAIN |
| ArchestrA Certified | Atempol Sp. z o.o. | | Piekary Slaskie | | POLAND |
| ArchestrA Certified | Atos Origin Integration | | Suresnes | | FRANCE |
| ArchestrA Certified | Atos Origin Nederland B.V. | | Arnhem | | NETHERLANDS |
| ArchestrA Certified | Atos Origin UK | | London | | UNITED KINGDOM |
| ArchestrA Certified | ATW-Solutions GmbH | | Steinberg-Dorfl | | AUSTRIA |
| ArchestrA Certified | Au2mate | | Silkeborg | | DENMARK |
| ArchestrA Certified | Auresys | | Heillecourt | | FRANCE |
| ArchestrA Certified | Automation Nation, Inc. | | Houston | TX | UNITED STATES |
| ArchestrA Certified | Automaton Integracao de Sistemas Ltda. | | Belo Horizonte | MG | BRAZIL |
| ArchestrA Certified | Avid Solutions, Inc. | YES | Winston-Salem | NC | UNITED STATES |
| ArchestrA Certified | Barry-Wehmiller Design Group | | Clayton | MO | UNITED STATES |
| ArchestrA Certified | Bay-Tec Engineering | YES | Napa | CA | UNITED STATES |
| ArchestrA Certified | Baytek Systems Ltd | | Ebbw Vale | | UNITED KINGDOM |
| ArchestrA Certified | Bont Software & Control Systems, Inc. | | Lake Dallas | TX | UNITED STATES |
| ArchestrA Certified | Bytes Technology Group | | Midrand | Gauteng | SOUTH AFRICA |
| ArchestrA Certified | CNA Group Ltd. | | Singapore | | SINGAPORE |
| ArchestrA Certified | Control Systems Integration (Pty) Ltd. | | Centurion | | SOUTH AFRICA |
| ArchestrA Certified | Control Technologies, Inc. | YES | Williston | VT | UNITED STATES |
| ArchestrA Certified | Convenient Software Solutions (CSS) | | Amanzimtoti | Kwazulu Natal | SOUTH AFRICA |
| ArchestrA Certified | Cosinor, S.A. | | Bilbao | Vizcaya | SPAIN |
| ArchestrA Certified | Cougar Automation Ltd | | Waterlooville | Hampshire | UNITED KINGDOM |
| ArchestrA Certified | CP Control Technologies, LLC | | Mesa | AZ | UNITED STATES |
| ArchestrA Certified | CSE Systems Integrators, Inc. | | San Juan | PR | PUERTO RICO |
| ArchestrA Certified | Cybertrol Engineering | | Minneapolis | MN | UNITED STATES |
| ArchestrA Certified | DCD Engineering Services Ltd. | | Edmonton | AB | CANADA |
| ArchestrA Certified | DCR Engineering Services | | Mulberry | FL | UNITED STATES |
| ArchestrA Certified | De Morgan S.R.L. | | Udine | | ITALY |
| ArchestrA Certified | DE Software and Control GmbH | | Dingolfing | | GERMANY |
| ArchestrA Certified | Deleproject AG | | Uetendorf/Thun | | SWITZERLAND |
| ArchestrA Certified | Descom Industrial Process S.A.C. | | Miraflores | Lima | PERU |
| ArchestrA Certified | Dinalan, S.L. | | Llodio | Alava | SPAIN |
| ArchestrA Certified | DLT&V Systems Engineering, Inc. | | Las Vegas | NV | UNITED STATES |
| ArchestrA Certified | DLT&V Systems Engineering, Inc. | | Oceanside | CA | UNITED STATES |
| ArchestrA Certified | DMC | YES | Chicago | IL | UNITED STATES |
| ArchestrA Certified | Dong Energy | | Fredericia | | DENMARK |
| ArchestrA Certified | Druecker Steuerungssysteme GmbH | | Neuhausen | | GERMANY |
| ArchestrA Certified | ECS-Automation AS | | Bryne | | NORWAY |
| ArchestrA Certified | Elimco Sistemas | | La Rinconada | | SPAIN |
| ArchestrA Certified | Eltronic A/S | | Hedensted | | DENMARK |
| ArchestrA Certified | EMTE Sistemas S.A. | | Sant Joan Despi | | SPAIN |
| ArchestrA Certified | Eppcon Systems Inc. | | Woodbridge | ON | CANADA |
| ArchestrA Certified | EVERDYN | | Aix en Provence | | FRANCE |
| ArchestrA Certified | Flexware Innovation, Inc. | | Fishers | IN | UNITED STATES |
| ArchestrA Certified | Fosdick & Hilmer, Inc. | | Cincinnati | OH | UNITED STATES |
| ArchestrA Certified | Global Automation Partners - GAP | YES | Danbury | CT | UNITED STATES |
| ArchestrA Certified | Goodtech Solutions AS | | Oslo | | NORWAY |
| ArchestrA Certified | Grafcet Automacao e Comercio | | Sao Paulo | SP | BRAZIL |
| ArchestrA Certified | Grantek Systems Integration Inc | | Burlington | ON | CANADA |
| ArchestrA Certified | GZ CH Control Technology Co., Ltd | | Guangzhou | GuangDong | CHINA (PRC) |
| ArchestrA Certified | H2E Incorporated | | Liberty Lake | WA | UNITED STATES |
| ArchestrA Certified | Han Jin Automation Co., Ltd. | | Kaohsiung | Taiwan | TAIWAN, REPUBLIC OF |
| ArchestrA Certified | HEITEC AG | | Crailsheim | | GERMANY |
| ArchestrA Certified | Hiprom (Pty) Limited | | Randsburg | Gauteng | SOUTH AFRICA |
| ArchestrA Certified | Hull & Associates, Inc. | | Dublin | OH | UNITED STATES |
| ArchestrA Certified | I-teco | | Moscow | | RUSSIAN FEDERATION |
| ArchestrA Certified | I2R ApS | | Copenhagen | | DENMARK |
| ArchestrA Certified | ICR (Ingenieria y Control Remoto) | | Albolote | Granada | SPAIN |
| ArchestrA Certified | ICT Solutions B.V. | | Deventer | | NETHERLANDS |
| ArchestrA Certified | IDEM | | WOIPPY Cedex | | FRANCE |
| ArchestrA Certified | InfoTeam Informatique SA | | Villars-sur-Glane | Fribourg | SWITZERLAND |
| ArchestrA Certified | Ingenieria Electronica Argentina S.R.L. | | Rosario | Santa Fe | ARGENTINA |
| ArchestrA Certified | Innovative Controls, Inc. | | Knoxville | TN | UNITED STATES |
| ArchestrA Certified | Integrated Concepts, Inc. | | Winston-Salem | NC | UNITED STATES |
| ArchestrA Certified | Integrity Integration Resources (I2R) | YES | Plano | TX | UNITED STATES |
| ArchestrA Certified | Invensys Systems Canada Inc | | Dollard des Ormeaux | QC | CANADA |
| ArchestrA Certified | IP System Control Sp. z o.o. | | Poznan | | POLAND |
| ArchestrA Certified | Iritron Pty Ltd. | | Pretoria | Gauteng | SOUTH AFRICA |
| ArchestrA Certified | iSAM AG | | Muelheim an der Ruhr | | GERMANY |
| ArchestrA Certified | ISIS s.r.l. | | Treviso | | ITALY |
| ArchestrA Certified | ITG (Infamation Technologies Group, LLC) | | Jacksonville | FL | UNITED STATES |
| ArchestrA Certified | Kim Automation, Inc. | YES | Austin | TX | UNITED STATES |
| ArchestrA Certified | Kline Process Systems, Inc. | | Reading | PA | UNITED STATES |
| ArchestrA Certified | Kruse Controls, Inc. | | Baltimore | MD | UNITED STATES |
| ArchestrA Certified | L&T Electrical & Automation FZE | | Dubai | | UNITED ARAB EMIRATES |
| ArchestrA Certified | Logical Systems, Inc. (LSI) | | Bartlett | TN | UNITED STATES |
| ArchestrA Certified | Malisko Engineering, Inc. | YES | St. Louis | MO | UNITED STATES |
| ArchestrA Certified | MAR Marine-u. Automatisierungstechn | | Rostock/Warnemunde | | GERMANY |
| ArchestrA Certified | Matrix Technologies, Inc. | YES | Maumee | OH | UNITED STATES |
| ArchestrA Certified | MAVERICK Technologies, LLC | | Houston | TX | UNITED STATES |
| ArchestrA Certified | Maxson Co Ltd. | | Hong Kong | | CHINA (PRC) |
| ArchestrA Certified | Megatech Control FZCO | | Dubai | | UNITED ARAB EMIRATES |
| ArchestrA Certified | MHP GmbH | | Worms | | GERMANY |
| ArchestrA Certified | Minot Enterprises Inc. | | Woodbury | MN | UNITED STATES |
| ArchestrA Certified | MPE Works B.V. | | Rosmalen | | NETHERLANDS |
| ArchestrA Certified | Nebb Engineering AS | | Asker | | NORWAY |
| ArchestrA Certified | NITTETSU ELEX Co., Ltd. | | Kitakyushu | Fukuoka | JAPAN |
| ArchestrA Certified | Nordkontakt AS | | Bodo | | NORWAY |
| ArchestrA Certified | Northern Digital, Inc. | | Bakersfield | CA | UNITED STATES |
| ArchestrA Certified | NTS Networks Oy | | Jarvenpaa | | FINLAND |
| ArchestrA Certified | Nucleo de Comunicaciones y Control | | Tres Cantos | Madrid | SPAIN |
| ArchestrA Certified | O.N.G. Automation Ltd. | | Cork | | IRELAND |
| ArchestrA Certified | On/Off Engineering GmbH | | Wunstorf | | GERMANY |
| ArchestrA Certified | Panacea Technologies, Inc. | | Fort Washington | PA | UNITED STATES |
| ArchestrA Certified | Parametrix, Inc. | | Sumner | WA | UNITED STATES |
| ArchestrA Certified | Parsec Automation Corporation | | Brea | CA | UNITED STATES |
| ArchestrA Certified | People Team Ltda. | | San Jose dos Campos | Sao Paulo | BRAZIL |
| ArchestrA Certified | Pipeline Systems, Inc. | YES | Concord | CA | UNITED STATES |
| ArchestrA Certified | Plant Werx Pte Ltd. | | Singapore | | SINGAPORE |
| ArchestrA Certified | Polytron, Inc. | | Duluth | GA | UNITED STATES |
| ArchestrA Certified | PondHop | | Houston | TX | UNITED STATES |
| ArchestrA Certified | Premier System Integrators, Inc. | YES | Smyrna | TN | UNITED STATES |
| ArchestrA Certified | Prevas AB | | Vastra Frolunda | | SWEDEN |
| ArchestrA Certified | Prevas AB | | Malmo | | SWEDEN |
| ArchestrA Certified | Prevas AS | | Oslo | | NORWAY |
| ArchestrA Certified | Prime Controls | | Lewisville | TX | UNITED STATES |
| ArchestrA Certified | Prism Systems, Inc. | | Mobile | AL | UNITED STATES |
| ArchestrA Certified | proCtec GmbH | | Viernheim | | GERMANY |
| ArchestrA Certified | ProtoLink, Inc. | | Richardson | TX | UNITED STATES |
| ArchestrA Certified | Pure Automation Incorporated | | Farmington | NM | UNITED STATES |
| ArchestrA Certified | QSPEC Solutions, Inc. | | Overland Park | KS | UNITED STATES |
| ArchestrA Certified | Quad Automation (Pty) Ltd | | Midrand | Gauteng | SOUTH AFRICA |
| ArchestrA Certified | Quad Plus | | Joliet | IL | UNITED STATES |
| ArchestrA Certified | Quantum | | Tempe | AZ | UNITED STATES |
| ArchestrA Certified | RCL SRL | | Capital Federal | | ARGENTINA |
| ArchestrA Certified | Ready Engineering Corporation | | Spruce Grove | AB | CANADA |
| ArchestrA Certified | Revere Control Systems | YES | Birmingham | AL | UNITED STATES |
| ArchestrA Certified | RoviSys Company | YES | Aurora | OH | UNITED STATES |
| ArchestrA Certified | RTSoft Company | | Moscow | | RUSSIAN FEDERATION |
| ArchestrA Certified | Rutter Hinz Inc. | | Highlands Ranch | CO | UNITED STATES |
| ArchestrA Certified | Rutter Hinz Inc. | | Carlsbad | CA | UNITED STATES |
| ArchestrA Certified | Saber Engineering, Inc. | | Auburn | CA | UNITED STATES |
| ArchestrA Certified | SAIC | | Houston | TX | UNITED STATES |
| ArchestrA Certified | Saint-Petersburg Institute of Heat Energy | | St. Petersburg | | RUSSIAN FEDERATION |
| ArchestrA Certified | Sampol Ingenieria y Obras, S.A. | | Palma de Mallorca | Islas Baleares | SPAIN |
| ArchestrA Certified | SEGNO Industrie Automation GmbH | | Bremen | | GERMANY |
| ArchestrA Certified | Seiberling Associates, Inc. | | Beloit | WI | UNITED STATES |
| ArchestrA Certified | Serra | | Healdsburg | CA | UNITED STATES |
| ArchestrA Certified | Servicios de Automatizacion RFID | | Caracas | Miranda | VENEZUELA |
| ArchestrA Certified | Sigma Solutions AB | | Goteborg | | SWEDEN |
| ArchestrA Certified | Silex S.A. | | Rosario | | ARGENTINA |
| ArchestrA Certified | SITAM | | Bron | | FRANCE |
| ArchestrA Certified | SNC-Lavalin Engineering & Technology | | Montreal | QC | CANADA |
| ArchestrA Certified | SPI Integracao de Sistemas Ltda | | Sao Paulo | | BRAZIL |
| ArchestrA Certified | SPIE Sud Ouest | | Toulouse Cedex 4 | | FRANCE |
| ArchestrA Certified | STII | | Tourville La Riviere | | FRANCE |
| ArchestrA Certified | SYSMAKER IBERIA S.L. | | Castelldefels | | SPAIN |
| ArchestrA Certified | Systech Control System Technology Co | | Riyadh | | SAUDI ARABIA |
| ArchestrA Certified | SysTech Egypt | | Cairo | | EGYPT |
| ArchestrA Certified | Systems Anywhere CC | | Riding | | SOUTH AFRICA |
| ArchestrA Certified | TechComp, Inc. | | Chesapeake | VA | UNITED STATES |
| ArchestrA Certified | Technord Automation | | Tournai | | BELGIUM |
| ArchestrA Certified | Technord France SAS | | Villeneuve d Ascq | | FRANCE |
| ArchestrA Certified | Tecnau Transport Division S.r.l. | | Lastra a Signa | | ITALY |
| ArchestrA Certified | Tesco Controls, Inc. | YES | Sacramento | CA | UNITED STATES |
| ArchestrA Certified | Tetra Tech, Inc. | | Ann Arbor | MI | UNITED STATES |
| ArchestrA Certified | Trend Ingenieria S.R.L | | Buenos Aires | | ARGENTINA |
| ArchestrA Certified | TSE Informatica Ltda. | | Sao Paulo | | BRAZIL |
| ArchestrA Certified | Van Doren Engineers B.V. | | Boekel | | NETHERLANDS |
| ArchestrA Certified | VENT Ltd. | | Moscow | | RUSSIAN FEDERATION |
| ArchestrA Certified | Vertech Industrial Systems, LLC | | Phoenix | AZ | UNITED STATES |
| ArchestrA Certified | VestCo | | Saint-Petersburg | | RUSSIAN FEDERATION |
| ArchestrA Certified | Visual Control | | Krakow | | POLAND |
| ArchestrA Certified | Westin Engineering, Inc. | | Rancho Cordova | CA | UNITED STATES |
| ArchestrA Certified | YIT Building Systems | | Haugesund | Rogaland | NORWAY |
| ArchestrA Certified | ZAO NPO Elevar | | Moscow | | RUSSIAN FEDERATION |
| ArchestrA Certified | ZETA Automation GmbH | | Freising | | GERMANY |
| IntelaTrac Certified | R.E.X. Software Limited | | Eastleigh | | UNITED KINGDOM |
| Certified | Abantia | | Barcelona | | SPAIN |
| Certified | Abunayyan Trading Corp. | | Riyadh | | SAUDI ARABIA |
| Certified | Acentia Instalaciones y Sistemas, S.L. | | Velilla de San Antonio | Madrid | SPAIN |
| Certified | ACS Engineering GmbH | | Haan | | GERMANY |
| Certified | Applied Control Technology, Inc. | | Shreveport | LA | UNITED STATES |
| Certified | Arisnova S.L. | | Valencia | | SPAIN |
| Certified | Atkins plc | | Nutley | East Sussex | UNITED KINGDOM |
| Certified | Automated Control Solutions, Ltd. | | Burton on Trent | Staffordshire | UNITED KINGDOM |
| Certified | Axis Projects SA de CV | | Ciudad del Carmen | Campeche | MEXICO |
| Certified | B&W Control Systems Integration, LLC | | Crystal Lake | IL | UNITED STATES |
| Certified | Barry D. Payne & Associates, Inc. | | Stafford | TX | UNITED STATES |
| Certified | BiiON SA | | Braine L Alleud | | BELGIUM |
| Certified | BN Automation AG | | Ilmenau | | GERMANY |
| Certified | Briggs Automation, Ltd. | | Holmes Chapel | Cheshire | UNITED KINGDOM |
| Certified | C.T.S. Trinidad Ltd. | | San Juan | | TRINIDAD AND TOBAGO |
| Certified | Capley Marker Systems Ltd. | | Risley, Warrington | Cheshire | UNITED KINGDOM |
| Certified | Carollo Systems, LLC | | Sacramento | CA | UNITED STATES |
| Certified | Cimation, LLC | | Metairie | LA | UNITED STATES |
| Certified | Comsoft | | Pabianice k/Lodzi | | POLAND |
| Certified | Control Design & Development Limited | | Fengate, Peterborough | Cambridgeshire | UNITED KINGDOM |
| Certified | Core Automation, Inc. | | El Dorado Hills | CA | UNITED STATES |
| Certified | Dahlen Systems, Inc. | | Golden Valley | MN | UNITED STATES |
| Certified | DIDELME SISTEMI srl | | Castellanza | Varese | ITALY |
| Certified | Dolphin Ingenieria Ltda | | Bogota | Bogota | COLOMBIA |
| Certified | Douglas Control and Automation | | Cork | | IRELAND |
| Certified | ECO:LOGIC | | Rocklin | CA | UNITED STATES |
| Certified | Egemin NV | | Zwijndrecht | Antwerpen | BELGIUM |
| Certified | ELITE Control Systems Limited | | Livingston | West Lothian | UNITED KINGDOM |
| Certified | Engineered Software Products, Inc. | | Lawrenceville | GA | UNITED STATES |
| Certified | Enterprise Automation, Inc. | | Tustin | CA | UNITED STATES |
| Certified | Etteplan Oyj | | Oulu | | FINLAND |
| Certified | Excel Marco Industrial Systems Pte Ltd | | Singapore | | SINGAPORE |
| Certified | Frakes Engineering, Inc. | YES | Indianapolis | IN | UNITED STATES |
| Certified | Geometric Limited | | Mumbai | Western India | INDIA |
| Certified | GRP Iluminacion S.A. | | Alcobendas | Madrid | SPAIN |
| Certified | Grupo Intermark, S.L. | | Gijon | Asturias | SPAIN |
| Certified | HG Systems Ltd. | | Chesterfield | Derbyshire | UNITED KINGDOM |
| Certified | HiTech Control Systems, Inc. | | Neenah | WI | UNITED STATES |
| Certified | Hixson | | Cincinnati | OH | UNITED STATES |
| Certified | Honeywell, S.L. | | Madrid | | SPAIN |
| Certified | IES Group | | Pleasley Vale, Mansfield | Nottinghamshire | UNITED KINGDOM |
| Certified | Industrial Automation Engineering, Inc. | YES | Ham Lake | MN | UNITED STATES |
| Certified | Insist-Avtomatika LLC | YES | Omsk | | RUSSIAN FEDERATION |
| Certified | InTech Process Automation, Inc. | | Houston | TX | UNITED STATES |
| Certified | Integrated Telecommunication Systems | | Rolling Meadows | IL | UNITED STATES |
| Certified | ITM Poland Ltd. | | Radom | | POLAND |
| Certified | ITS | | Riverside Park | Middlesbrough | UNITED KINGDOM |
| Certified | Jordan Engineering Inc | | Beamsville | ON | CANADA |
| Certified | JSC INTMA-Automatic | | Moscow | | RUSSIAN FEDERATION |
| Certified | K2 Data Systems Inc. | | Albany | OR | UNITED STATES |
| Certified | Lamping & Reisig GmbH & Co. KG | | Wildeshausen | | GERMANY |
| Certified | M/R Systems, Inc. | YES | Norcross | GA | UNITED STATES |
| Certified | MacDonald Humfrey Automation Ltd. | | Luton | Bedfordshire | UNITED KINGDOM |
| Certified | Martin Control Systems, Inc. | YES | Dublin | OH | UNITED STATES |
| Certified | Marvel Control Co., Ltd. | | Nonthaburi | | THAILAND |
| Certified | MCC Control | YES | Vacaville | CA | UNITED STATES |
| Certified | Melfi Technologies Inc. | | Concord | | CANADA |
| Certified | Microtech International S.A. | | Wroclaw | | POLAND |
| Certified | Milkomatic Sp. z.o.o. | | Stare Babice | | POLAND |
| Certified | MX Technologies Co., Ltd. | | Katsushika-ku | Tokyo | JAPAN |
| Certified | NeoDyne Ltd. | | Little Island | Cork | IRELAND |
| Certified | Opensoft Systems Malaysia | | Petaling Jaya | Selangor | MALAYSIA |
| Certified | Outbound Technologies Incorporated | | New Hudson | MI | UNITED STATES |
| Certified | Patni Computer Systems Limited | | Hadapsar, Distt-Pune | Western India | INDIA |
| Certified | Pipeline Controls & Services, Inc. | | Alpharetta | GA | UNITED STATES |
| Certified | Pro-U-Sys | YES | Bakersfield | CA | UNITED STATES |
| Certified | Prologic SRL | | Fiorano Modenese | | ITALY |
| Certified | Quitman Electric Company, Inc. (QEC) | | Quitman | TX | UNITED STATES |
| Certified | ROMANSEL S.A. | | Guayaquil | Guayas | ECUADOR |
| Certified | SAGE Automation | YES | AUST wide | National | AUSTRALIA |
| Certified | Scadamax Automation Sdn. Bhd. | | Sungai Buloh | Selangor | MALAYSIA |
| Certified | SEA Productique | | Nantes Cedex 03 | | FRANCE |
| Certified | Sistel Control, s.l. | | Terrassa | | SPAIN |
| Certified | SMS Industrial Services (Pty) Ltd | | Witbank | Mpumalanga | SOUTH AFRICA |
| Certified | Sure Controls, Inc. | | Greenville | WI | UNITED STATES |
| Certified | Syntronix, Inc. | | St. Louis | MO | UNITED STATES |
| Certified | Takebishi Corporation | | Kyoto-shi | Kyoto fu | JAPAN |
| Certified | The Cadalec Group | | Croft | Leicester | UNITED KINGDOM |
| Certified | Toucan Technologies Ltd. | | San Fernando | | TRINIDAD AND TOBAGO |
| Certified | TriCore/AEA | | Racine | WI | UNITED STATES |
| Certified | TVC Systems | YES | Portsmouth | NH | UNITED STATES |
| Certified | Volvo Information Technology AB | | Goeteborg | | SWEDEN |
| Certified | W-Industries | | Houston | TX | UNITED STATES |
| Certified | WaterHammer, Inc. | | Upland | CA | UNITED STATES |
| Certified | ZAT a.s. | | Pribram VI | | CZECH REPUBLIC |
| Registered | 4 Bytes Automation | | Pretoria | Gauteng | SOUTH AFRICA |
| Registered | A&B Process Systems Corp | | Stratford | WI | UNITED STATES |
| Registered | A&D Automation Oy | | Imatra | | FINLAND |
| Registered | A.E.I. SRL | | Sarego | Vicenza | ITALY |
| Registered | A.H. Lundberg Associates, Inc. | | Bellevue | WA | UNITED STATES |
| Registered | AAIM Controls, Inc. | | Waynesboro | PA | UNITED STATES |
| Registered | Aardvark Engineering | | Livingston | NJ | UNITED STATES |
| Registered | AautomaG s.r.l. | | Siena | | ITALY |
| Registered | ABB Ber-Mac | | Calgary | AB | CANADA |
| Registered | ABB K.K. | | Shibuya-Ku | Tokyo | JAPAN |
| Registered | Aber Industrial Solution | | Gernsbach | | GERMANY |
| Registered | ABLE COMPANY | | Milford | CT | UNITED STATES |
| Registered | Able-Baker Automation, Inc. | | Emeryville | CA | UNITED STATES |
| Registered | ABM Limited | | Widnes Cheshire | | UNITED KINGDOM |
| Registered | AC Engenharia e Sistemas S/C Ltda | | Rio de Janeiro | | BRAZIL |
| Registered | AC Engineering GmbH | | Alsdorf | | GERMANY |
| Registered | AC Solutions S.r.l. | | Lenno | | ITALY |
| Registered | ACCIONA AGUA, S.A.U. | | Alcobendas | Madrid | SPAIN |
| Registered | ACE Experts-Conseils, Inc. | | Laval | QC | CANADA |
| Registered | ACE Technologies, LLC | | Indianapolis | IN | UNITED STATES |
| Registered | ACI, A Division of Alatus | | Kennesaw | GA | UNITED STATES |
| Registered | ACK INVA 2007, S.L. | | Barbera del Valles | Barcelona | SPAIN |
| Registered | Acorn Controls, Ltd. | | Hinckley | Leicester | UNITED KINGDOM |
| Registered | ACT SISTEMAS, S.L. | | Sevilla | Sevilla | SPAIN |
| Registered | Actemium AEI SA | | Ribecourt | Oise | FRANCE |
| Registered | ACTEMIUM API | | Chamalieres | | FRANCE |
| Registered | Actemium C&E Veendam | | Veendam | | NETHERLANDS |
| Registered | Actemium ISAA | | Tilloy les Mofflaines | | FRANCE |
| Registered | ACTEMIUM ROUEN IIE | | Le Petit Quevilly | | FRANCE |
| Registered | Actemium SDEL Bourgogne | | Fintaine les Dijon | | FRANCE |
| Registered | Actemium SRTI | | Dardilly | Rhone | FRANCE |
| Registered | ADASOFT | | Sant Just Desvern | Barcelona | SPAIN |
| Registered | ADCOR | | Baltimore | MD | UNITED STATES |
| Registered | Adgo Engineering & Controls | | Cincinnati | OH | UNITED STATES |
| Registered | ADM Systems Engineering Ltd | | Saint John | NB | CANADA |
| Registered | Adsyst Automation, Ltd. | | Yateley | Hampshire | UNITED KINGDOM |
| Registered | Advanced Automation Systems | | Page | NE | UNITED STATES |
| Registered | Advanced Control Solutions, Inc. | | Sylvania | OH | UNITED STATES |
| Registered | Advanced Control Systems | | Boise | ID | UNITED STATES |
| Registered | Advanced Electronics Company | | Riyadh | Riyadh | SAUDI ARABIA |
| Registered | Advanced Engineering & Environmental | | Grand Forks | ND | UNITED STATES |
| Registered | Advanced Engineering, Inc. | | Franklin | TN | UNITED STATES |
| Registered | Advanced Integration Group, Inc. | YES | McKees Rocks | PA | UNITED STATES |
| Registered | Advanced Manufacturing Technology, Inc. (AMT) | | Jamestown | NY | UNITED STATES |
| Registered | Advanced Monitoring Technologies Inc. | | Keswick Ridge | NB | CANADA |
| Registered | Advanced Process Technologies | | Cokato | MN | UNITED STATES |
| Registered | Advanced Systems Integrators Ltd. | | Surrey | BC | CANADA |
| Registered | Advantec AS | | Stord | | NORWAY |
| Registered | Advenco Consulting GmbH | | Giessen | | GERMANY |
| Registered | AE of Ohio, Inc | | Sunbury | OH | UNITED STATES |
| Registered | AE Solutions, Inc. | | Greenville | SC | UNITED STATES |
| Registered | AEC Engineering | | Freeport | ME | UNITED STATES |
| Registered | Aeco Plant Engineering Pte Ltd | | Singapore | | SINGAPORE |
| Registered | AECOM Canada Ltd. | | Edmonton | AB | CANADA |
| Registered | AECOM Canada, Ltd. | | Hamilton | ON | CANADA |
| Registered | AECOM Design Build Ireland Ltd. | | Dublin | | IRELAND |
| Registered | AEMS | | Montataire | | FRANCE |
| Registered | AERTEC, Ingenieria y Desarrollos, S.L.U. | | Sevilla | Sevilla | SPAIN |
| Registered | AES Corporation | | Hiawatha | IA | UNITED STATES |
| Registered | AES Group LLC | | Cincinnati | OH | UNITED STATES |
| Registered | AES2I | | Pringy | Ile-de-France | FRANCE |
| Registered | AF A/S | | Brondby | Kobenhavn | DENMARK |
| Registered | AF Engineering AS | | Oslo | | NORWAY |
| Registered | AF SEKO | | Bielsko Biala | | POLAND |
| Registered | AG Group, Inc | | Bayamon | | PUERTO RICO |
| Registered | AGAT IT S.A. | | Lodz | | POLAND |
| Registered | AGE Technologies JHB (Pty) Ltd. | | Alberton | Gauteng | SOUTH AFRICA |
| Registered | AGP Automatizacion de Procesos | | Santa Fe | Santa Fe | ARGENTINA |
| Registered | AGP Automatozacion de Edificios, S. | | Madrid | | SPAIN |
| Registered | Ahearn & Soper Inc. | | Toronto | ON | CANADA |
| Registered | AIA Automation, Inc. | | Beauport | QC | CANADA |
| Registered | AIR | | Caen | Calvados | FRANCE |
| Registered | Air Liquide Electronics GmbH | | Ottendorf-Okrilla | Sachsen | GERMANY |
| Registered | Air Liquide Engineering SA | | Vitry sur Seine | | FRANCE |
| Registered | AIRBUS CIMPA | | Sevres | Ile-de-France | FRANCE |
| Registered | Ajilon Engineering | | Schiltigheim | | FRANCE |
| Registered | AK-AY Elektrik Dis Ticaret Kollektif Sirketi | | Istanbul | | TURKEY |
| Registered | Aker Kvaerner Elektro AS | | Stavanger | | NORWAY |
| Registered | Aker Kvaerner Ltd | | Dyce | Aberdeen | UNITED KINGDOM |
| Registered | Al Mayssan Technical Services Co. Ltd. | | Jeddah | | SAUDI ARABIA |
| Registered | Al-Fajr Al-Jadid | | Shuwaikh | | KUWAIT |
| Registered | Alaska Integrated Services | | Eagle River | AK | UNITED STATES |
| Registered | Albatros | | Moscow | | RUSSIAN FEDERATION |
| Registered | ALD Holcroft Vacuum Tech | | Wixom | MI | UNITED STATES |
| Registered | Alfsen OG Gunderson AS | | Oslo | | NORWAY |
| Registered | Allen Yoho Electrical, Inc. | | Lyndhurst | VA | UNITED STATES |
| Registered | ALLEZ et CIE | | Brive | | FRANCE |
| Registered | Allgeier, Martin and Associates, Inc. | | Joplin | MO | UNITED STATES |
| Registered | Alliant Technologies | | Louisville | KY | UNITED STATES |
| Registered | Alping Italia srl | | Pavia de Udine | | ITALY |
| Registered | Alpiq InTec Ost AG | | St. Gallen | | SWITZERLAND |
| Registered | Alpiq InTec Verona S.p.A. | | Verona | | ITALY |
| Registered | ALRO Engineering SA | | Martigny | Suisse | SWITZERLAND |
| Registered | ALSINTEC S.A. | | Buenos Aires | | ARGENTINA |
| Registered | Alstef Automation SA | | Orleans Cedex 9 | | FRANCE |
| Registered | Alstom Power, Inc. | | Knoxville | TN | UNITED STATES |
| Registered | Alta Tecnologia en Control ATC, SA de CV | | Guadalupe | Nuevo Leon | MEXICO |
| Registered | Alternative Process Services, Inc. | | Pell City | AL | UNITED STATES |
| Registered | Altus Automation | | Overland Park | KS | UNITED STATES |
| Registered | AM Automation Sarl | | La Chaux-de-Fonds | NE | SWITZERLAND |
| Registered | Amber Technologies | | Evry Lisses | | FRANCE |
| Registered | AMC Engineering, Inc. | | Caguas | | PUERTO RICO |
| Registered | AMEC E&C Services, Inc. | | Tucker | GA | UNITED STATES |
| Registered | American Alarm Co., Inc. | | Oakley | CA | UNITED STATES |
| Registered | American Automation, Inc. | | Pryor | OK | UNITED STATES |
| Registered | American Control & Engineering Service, Inc. | | Rose Hill | KS | UNITED STATES |
| Registered | American Energy Management | | Marlborough | MA | UNITED STATES |
| Registered | American Mine Research | | Rocky Gap | VA | UNITED STATES |
| Registered | AMI GE International S. de R.L. de C.V. | | Monterrey | Nuevo Leon | MEXICO |
| Registered | AMK Krakow S.A. | | Krakow | | POLAND |
| Registered | Amscon Ltd. | | Swadlincote | Derbyshire | UNITED KINGDOM |
| Registered | AMTE SA | | La Batie Neuve | | FRANCE |
| Registered | AMZ Srl | | Sassuolo | | ITALY |
| Registered | Anderson Water Systems Inc. | | Dundas | ON | CANADA |
| Registered | Andre L. de Ribeiro Albuquerque | | Sao Carlos | Sao Paulo | BRAZIL |
| Registered | Andritz | | Bellingham | WA | UNITED STATES |
| Registered | Andritz AG | | Graz | | AUSTRIA |
| Registered | Andritz Hydro | | Charlotte | NC | UNITED STATES |
| Registered | Andritz, Inc. | | Roswell | GA | UNITED STATES |
| Registered | ANGEL IGLESIAS, S.A. (IKUSI) | | San Sebastian | Guipuzcoa | SPAIN |
| Registered | Anritsu Technics Co. Ltd. | | Hakata-ku | Fukuoka ken | JAPAN |
| Registered | Apache North Sea | | Aberdeen | Aberdeenshire | UNITED KINGDOM |
| Registered | APCO, Inc. | | Salt Lake City | UT | UNITED STATES |
| Registered | APE2I | | Saint Lo | Manche | FRANCE |
| Registered | Apex Automation Oy | | Kokkola | | FINLAND |
| Registered | Apex Controls, Inc. | | Hudsonville | MI | UNITED STATES |
| Registered | APEX Engineering & Automation, LLC | | Chandler | AZ | UNITED STATES |
| Registered | Apex Engineering, Inc. | | Calvert City | KY | UNITED STATES |
| Registered | API Control Systems Specialist | | Carencro | LA | UNITED STATES |
| Registered | Aplicaciones de Control Industrial SA de CV | | Mexico City | D.F. | MEXICO |
| Registered | Aplicaciones de Control y Automatizacion (AC&A) | | Llanera | Asturias | SPAIN |
| Registered | Aplicacions Electriques S.A. | | Salt | Girona | SPAIN |
| Registered | Applicon Australia Pty Ltd. | | Perth | Western Australia | AUSTRALIA |
| Registered | Applied Control Engineering | | Bridgeville | PA | UNITED STATES |
| Registered | Applied Control Engineering | YES | Houston | TX | UNITED STATES |
| Registered | Applied Control Engineering, Inc. | YES | Newark | DE | UNITED STATES |
| Registered | Applied Integration UK Ltd | | Stokesley | | UNITED KINGDOM |
| Registered | Applied Solutions, LLC | | Spokane | WA | UNITED STATES |
| Registered | Applied Technologies | | Bridgeton | MO | UNITED STATES |
| Registered | APR GmbH & Co KG | | Durrwangen | | GERMANY |
| Registered | APV Czech Republic s.r.o. | | Brno | | CZECH REPUBLIC |
| Registered | APV France | | Evreux Cedex | | FRANCE |
| Registered | APV Iberica | | Madrid | | SPAIN |
| Registered | APV Middle East | | Dubai | | UNITED ARAB EMIRATES |
| Registered | APV Productos y Soluciones Limitada | | Santiago | Providencia | CHILE |
| Registered | APV Sp. z o.o. | | Warszawa | | POLAND |
| Registered | APV Systems | | Dollard-des-Ormeaux | QC | CANADA |
| Registered | Aqua Systems 2000 Inc. | | Lethbridge | AB | CANADA |
| Registered | Aquesti, Inc. | | Yokohama-shi | Kanagawa | JAPAN |
| Registered | Aquitaine Electronique | | Serres-Castet | | FRANCE |
| Registered | Arabesque Group for General Trading & Contracting | | Kuwait | | KUWAIT |
| Registered | Arcade Engineering AG | | Allschwil | | SWITZERLAND |
| Registered | ArcelorMittal Service Group Sp.zoo | | Dabrowa Gornicza | | POLAND |
| Registered | ArcSine Engineering | | Redding | CA | UNITED STATES |
| Registered | Aresco, Inc. | | Elkhorn | NE | UNITED STATES |
| Registered | Ariel Industries | | Le Petit Quevilly | Seine Maritime | FRANCE |
| Registered | Arla Foods AmbA - EttArla Solutions | | Viby J | | DENMARK |
| Registered | ARTIC, S.L. | | Cerdanyola del Valles | Barcelona | SPAIN |
| Registered | Asel-Tech Tecnologia e Automacao Ltda | | SAO CARLOS | | BRAZIL |
| Registered | Ash Electric Co., Inc. | | Colbert | GA | UNITED STATES |
| Registered | Ashley Automation and Technology, Inc. | | Rio Vista | TX | UNITED STATES |
| Registered | ASIS GmbH | | Landshut | | GERMANY |
| Registered | Asitek Oy | | Raisio | | FINLAND |
| Registered | ASKOM Sp. z o.o. | | Gliwice | | POLAND |
| Registered | ASKSteve, Inc. | | Greeley | CO | UNITED STATES |
| Registered | ASLI Sarl | | Le Taillan Medoc | | FRANCE |
| Registered | ASM Soft S.L. | | Vigo | Pontevedra | SPAIN |
| Registered | ASP Controls, LLC | | Lancaster | PA | UNITED STATES |
| Registered | Associated Engineering Alberta Ltd. | | Edmonton | AB | CANADA |
| Registered | ASSTER inz. Tadeusz Dabkowski | | Grajewo | | POLAND |
| Registered | Assystem France | | EQUERDREVILLE | MANCHE | FRANCE |
| Registered | Aster Sistemas de Control, S.L. | | Mairena Del Aljarafe | | SPAIN |
| Registered | Aston Dane Systems Ltd | | Alcester | | UNITED KINGDOM |
| Registered | ASU-TEK Ltd. | | Perm | | RUSSIAN FEDERATION |
| Registered | ATEC Automatisierungstechnik GmbH | | Lassnitzhohe | | AUSTRIA |
| Registered | ATEC Automatisierungstechnik GmbH | | Munchen | | GERMANY |
| Registered | ATECH | | Saulny | | FRANCE |
| Registered | ATI Industrie S.A. | | Thimister | | BELGIUM |
| Registered | Atis Industries | | Abidjan | | COTE D IVOIRE |
| Registered | AtlanticTrangas Systems | | Moscow | | RUSSIAN FEDERATION |
| Registered | ATN Holzel GmbH | | Oppach | | GERMANY |
| Registered | ATP spol. s.r.o. | | Bratislava | | SLOVAK REPUBLIC |
| Registered | ATR Soft Oy | | Turku | | FINLAND |
| Registered | ATREM Sp. z.o.o. | | Przezmierowo k/Poznania | | POLAND |
| Registered | ATS Applied Tech Systems B.V. | | Haarlem | | NETHERLANDS |
| Registered | ATS GmbH | | Kassel | | GERMANY |
| Registered | ATSI, Inc. | | Amherst | NY | UNITED STATES |
| Registered | Attaboy Automation, Inc. | | Ashland City | TN | UNITED STATES |
| Registered | ATX - Technicka Kancelar s.r.o. | | Zdar nad Sazavou | | CZECH REPUBLIC |
| Registered | AUDITEL Ingenieria y Servicios, S.L | | Madrid | Madrid | SPAIN |
| Registered | AUPROMAQ S.A. de C.V. | | Toluca | | MEXICO |
| Registered | Aurora Industrial Automation | | Portland | OR | UNITED STATES |
| Registered | Auser S.L. | | Almendralejo | Badajoz | SPAIN |
| Registered | Austep | | Milano | Milan | ITALY |
| Registered | AUTEC s.r.o. | | Brno | | CZECH REPUBLIC |
| Registered | Autel a.s. | | Trinec | | CZECH REPUBLIC |
| Registered | Auto-Bake Pty Ltd. | | Hornsby | NSW | AUSTRALIA |
| Registered | Autocon Systems cc | | Boksburg | Gauteng | SOUTH AFRICA |
| Registered | Autologic LLC | | Richmond | VA | UNITED STATES |
| Registered | Automated Control & Technical Services | YES | Bakersfield | CA | UNITED STATES |
| Registered | Automated Control Concepts, Inc. | | Neptune | NJ | UNITED STATES |
| Registered | Automated Power | | Flowood | MS | UNITED STATES |
| Registered | Automated Process Equipment Corporation (APEC) | | Lake Odessa | MI | UNITED STATES |
| Registered | Automated Systems Engineering LLC | | Cincinnati | OH | UNITED STATES |
| Registered | Automated Systems Integration, Inc. (ASI) | | Baton Rouge | LA | UNITED STATES |
| Registered | Automated Systems of Tacoma, Inc. (AST) | | Tacoma | WA | UNITED STATES |
| Registered | Automatic Controls and Instrumentation Pte Ltd. | | Singapore | | SINGAPORE |
| Registered | Automatic Electrical Systems, Inc. | | Rathdrum | ID | UNITED STATES |
| Registered | Automatik Plastics Machinery GmbH | | Grossostheim | | GERMANY |
| Registered | Automation & Control Concepts Inc. | | St. Louis | MO | UNITED STATES |
| Registered | Automation Consulting Engineering Services (ACES) | | Farmington | NM | UNITED STATES |
| Registered | Automation Controls, Inc. | | Valley Falls | KS | UNITED STATES |
| Registered | Automation Electronics, Inc. | | Casper | WY | UNITED STATES |
| Registered | Automation Engineering | | Fort Smith | AR | UNITED STATES |
| Registered | Automation Group | | Modesto | CA | UNITED STATES |
| Registered | Automation Horizons, Inc. | YES | Des Plaines | IL | UNITED STATES |