- AIA Engineers LTD
- Allsbrook Goodman Inc
- AMSEC Corp
- Cherwa Ewing Engineering
- Engineering & Testing Cnslnt
- Engineering & Testing Inc
- General Dynamics Advanced Info
- Jose M Goico
- Mc Kim & Creed
- Michael Baker Jr Inc
- Moseley Architects
- Northrop Grumman Corp
- O'Brien & Gere Engineers Inc
- PSI
- Rummel Klepper & Kahl
- Sverdrup Corp
- URS Corp
