- Alphatec
- American Investigation
- Ari Fleischer Communications
- Chesapeake Enterprise
- Cowi Wasington
- Flack & Kurtz
- Global Maritime Consulting
- Ipec
- Jason Consultants Intl Inc
- Joseph R Loring & Assoc Inc
- Kennedy-Jenks Consultants
- Lahmeyer International
- NEXANT
- Questus Group
- RKF Engineering
- Smislova Kehnemui & Assoc
