- A & S Engineering
- Advanced Technology Transfer
- AMA Engineering
- Anthony J Bowles
- Bentley Systems Inc
- Berkeley Applied Scnce & Engnr
- Beyaz & Patel Inc
- Brown & Caldwell
- Camp Dresser & Mc Kee Inc
- Enova Engineering Svc
- Erin Engineering & Research
- H J Mc Dermott Inc
- HTC Engineers
- Kegan C Morrison
- Mc Gill Martin Self Inc
- Mechanical Design Studio Inc
- Nolte Associates Inc
- Project Assistance Corp
- R L Kramasz Consulting
- Whitley Burchett & Assoc Inc
- WRMS Engineering Inc
