| Kiewit | Chicago Bridge & Iron |
| Bechtel | Wackenhut Services, Inc. |
| AECOM | Trine Industries |
| PCL | Petit & Martin |
| Fluor Daniels | Willis Faber |
| Johnson Controls, Inc. | Calif. Dept. of Corrections |
| Turner Construction | AMEC Engineering |
| Arctic Slope Regional Corp. | Southern Structures |
| Aleut Corporation | Kitchell Contractors |
| Inuit Corporation | NANA Corporation |
| Impreglio | Actus Corporation |
| Cogefar-Impresit S.p.A. | Cold Storage, Inc. |
| Marnell Carrao Assoc. | Blaine L. Wadman Corp. |
| ITT | Dynalectric Colorado |
| Northrop Grumman | Swinerton Builders |
| Granite | American Water Works |
| UTOPIA | R & O Construction |
| Linpro | McDermott Will & Emery |
| Akima | TRI-TEC Manufacturing |
| Raytheon | KBR |
| Big-D Construction | Bryan Construction |
| ASRC Federal | ARCO Ingenieros, S.A. de C.V |
| Smalley Constructors |