| CompanyID | Company | Description | State |
| 524 | A+ Engineering and Fabrication, Inc. | General Job Shop, Specializing in the Glass Industry, CNC Machine shop. | OH |
| 2500 | Advanced Engineering Solutions | Cad Cam CNC Machining Software | MA |
| 289 | Allied 1 Resources Corp | Industrial contractors for manufactures in the fields of: mechanical, electrical, machinery movers, design build, all type piping, carpentry, rigging work of all kinds. | MO |
| 2994 | American Surf Industries | Surfboard manufacturing | CA |
| 1753 | APTEC | Design and engineering services. CAD, CAE | FL |
| 1895 | Associated Machine Design, Inc. | Complete turnkey industrial machine builders. Over 200 years of combined engineering experience coupled with cutting edge technology result in successful integration of process equipment into any facility. Full warranty, spare parts, and service avai | WI |
| 3475 | Atlanta Technical & Engineering Services | ATES is a service company focused on providing and managing technical consulting / engineering design services related to hardware (Process Instrumentation Reconditioners )and the software development of Digital Process Control Systems (I&C), Burner | GA |
| 30 | Automated Systems Engineering (ASE) | ASE provides detailed electrical, instrumentation & controls engineering services as well as systems integration services for industrial and municipal companies. | OH |
