| AC Technology |
| Accinni Giovanni S.r.l.(Italy) |
| Actia |
| Actron Manufacturing |
| ADL Powertrain Engineering |
| AeroVironment, Inc. |
| Agilent Technologies |
| AirIQ, Inc. |
| Aldridge Traffic Systems Pty Ltd. (Australia) |
| AlphaIT |
| American Axle and Manufacturing |
| AMET S.r.I. (Italy) |
| AmFax Ltd. (UK) |
| ARC International |
| Archipelago Corp. |
| Arens Controls Company, L.L.C. |
| Ascent Technologies, Inc. |
| Assenmacher Specialty Tools |
| ATI |
| Atkinson LLC |
| Audionic Systems |
| Autoleads, Ltd. (UK) |
| Automobilite Distribution, Inc. (Canada) |
| BAE Systems |
| Beninca Motors (Australia) |
| Bergstrom Inc. |
| BMW AG |
| BorgWarner Inc. |
| Bose Corporation |
| CAMI Automotive Inc. (Canada) |
| Cardone Industries, Inc. |
| Carstar (Taiwan, ROC) |
| Changan Ford Automobile Corp. Ltd. (China) |
| China National Heavy Duty Truck Group |
| Cimtek Automation Systems (Canada) |
| Cincinnati Test Systems, Inc. |
| Circuit Works Inc. |
| Cirrus Technologies (UK) |
| Cleveland State University |
| CMC, Ltd. |
| Continental Teves |
| ControlWorks L.L.C. |
| Cosworth Technologies, Inc. |
| Covert Manufacturing, Inc. |
| CSIRO Industrial Physics |
| CTS CarTopSystems, Inc. |
| Dana Commercial Vehicle Systems |
| Dana Corp |
| Danlaw, Inc. |
| Davis Instruments |
| Debron Industrial Electronics, Inc. |
| Deep Sea Electronics PLC (UK) |
| Deicy Corporation (Japan) |
| Del PackSystems, Ltd. (Israel) |
| Delphi Automotive |
| Delphi Automotive S.A. DE C.V. |
| Delphi Packard |
| Denso International America |
| Detroit Testing |
| DGE Electronics, Inc. |
| Diagnos Co. UK Ltd. (UK) |
| Dow-Key Microwave Corp. |
| Drive Development Corporation |
| EASII (France) |
| Easycom Co. (Russia) |
| Eaton Corporation |
| EBW Electronics, Inc. |
| ECM |
| Elausa (Spain) |
| Embedded Systems Korea (South Korea) |
| eMINK |
| Engineered Machined Products, Inc. |
| ETS Marketing, Ltd. (New Zealand) |
| Exlizit AB (Sweden) |
| F. W. Murphy (UK) |
| Falcon HI Tec Inc. (Canada) |
| Faurecia Automotive Seating, Inc. |
| FE Technical Services |
| FEV Engine Technology, Inc. |
| Fire Research |
| FirstTech |
| Force, Inc. |
| Ford Motor Company |
| GE Supply |
| GE Transportation Systems |
| General Dynamics |
| General Motors Milford Proving Ground |
| Gentex Corp |
| GM NAO Technical Engineering Center |
| GM of Canada |
| GS Engineering, Inc. |
| Guangzhou Automobile Industry Group Co., Ltd |
| Harley Davidson |
| Harsco Track Technologies |
| Hella Electronics Corporation |
| HI-LEX Corp. |
| Hitachi Automotive Products |
| Hogahm Technology (South Korea) |
| Honda R&D Europe Ltd. (UK) |
| Horiba Instruments Inc. |
| Husco International, Inc. |
| Hypertech Inc. |
| IGB Automotive, Ltd. (Canada) |
