| Cold River Materials |
New Hampshire:
Keene, Walpole |
| Prestress of the Carolinas |
North Carolina:
Charlotte |
| Senate Asphalt Visit Website |
Washington, DC
District of Columbia |
| Sunquip |
Maine:
Hermon |
| Sunrise Materials |
Maine:
Hampden Hancock Orono Searsport |
| Virginia Paving Company Visit Website |
Virginia:
Alexandria Chantilly Fredericksburg Garrisonville Norfolk Loudoun Occoquan Stafford |
| Wardwell |
Maine:
Bucksport |
| White Bros. |
Maine:
Westbrook |
| Virginia Sign & Lighting Company |
Virginia:
Chantilly |