- AES Group
- ASE Technologies Inc
- BBC & M Engineering Inc
- Bbs Engineering
- Brown & Caldwell
- CDI Professional Svc
- Control Concepts & Design
- Diversitech Inc
- Essig Research
- Foppe Technical Group Inc
- Hi Tech Control Systems Inc
- Holloman & Assoc
- KERR Consultants Inc
- Pedco E & A Svc
- T K Engineering Assoc
- TEC Engineering
- Thinkpath.Com Inc
- Ultramax Corp
- Valu-Tech Div OF Cdo
