EMSI Engineering Inc.
| Flour-Lane construction Group | Fort Mayer | Forrester | Atlantic Builders Group |
| Balfour Beatty Construction | Barton Malow Co. | BE&K Building Group | Bozzuto Construction |
| Centennial Contrs. | Cianbro Corp. | Clark Construction | Donohoe Construction |
| DPR | Foulger Pratt | Gardiner & Gardiner | Grunley Construction |
| Hamel Builders | Harkins Builders | Harvey-Cleary | Hensel Phelps Construction |
| Hess Construction | Homeland Security Constr. | Hostetter Construction Corp | Hubert Construction |
| Infrastructure Technologies | J.Vinton Schafer & Sons | James G. Davis | KBE Building |
| Keller Bros | L.F Jennings | Milestone Constr. | Morgan-Keller |
| P.O.S.T. Constr. | R.W. Murray | Rollins PCI | Sauer, Inc. |
| Scott-Long Constr. | Sigal Constr. | Signet Constr. | Skanska USA Bldg |
| Tetra Tech Facilities | The Christman Co. | Therrien Waddell | Tompkins Builders |
| Turner Constr. |