- Applied Research Assoc Inc
- C H Guernsey & Co
- CH2M Hill
- CME Inc
- Consulting Engineers Council
- Electromagnetic Technologies
- Feeney Consulting
- Framatome Anp Inc
- G M Ford & Assoc
- Gannett Fleming Inc
- Huitt-Zollars
- Smith Engineering Co
- Target Information Technology
- TDP & Assoc
- URS Corp
- Walla Engineering LTD
