- AIV Solutions
- Analysis & Technology Inc
- Anastasio & Melick Assoc
- Dewberry
- Gannett Fleming Inc
- Horace A Reeves Construction
- IDC
- Lake Development Systems Inc
- Mc Cormick Taylor & Assoc Inc
- Middough Consulting Inc
- Northrop Grumman Info Tech
- Site-Blauvelt Engineers Inc
- Vollmer Associates
- Werlinger & Assoc Inc
