1. Federal Highway Administration, Turner–Fairbank Highway Research Center, 6300 Georgetown Pike, HRDI-11, McLean, VA 22101.
2. D'Angelo Consulting, LLC, 8528 Canterbury Drive, Annandale, VA 22003.
3. Dongré Laboratory Services, Inc., 2821Q Dorr Avenue, Fairfax, VA 22031.
4. ESC, Inc., Turner–Fairbank Highway Research Center, 6300 Georgetown Pike, HRDI-11, McLean, VA 22101.
5. Florida Department of Transportation, State Materials Office, 5007 Northeast 39th Avenue, Gainesville, FL 32609.