| Business | Phone |
| Charles H Tompkins Co 2220 25th Pl Ne, Washington 20018 | (202) 832-1534 |
| Construction Labor Research 1750 New York Ave Nw, Washington 20006 | (202) 467-5680 |
| Dexerity Construction Co 1445 Pennsylvania Ave Se, Washington 20003 | (202) 546-2389 |
| Haley Makielski Construction 124 Q St Nw, Washington 20001 | (202) 234-1708 |
| Management Construction 1666 K St Nw # 1200, Washington 20006 | (202) 833-5830 |
| Minority Truckers Inc 6029 Dix St Ne, Washington 20019 | (202) 396-2800 |
| Riteway Construction Inc 315 Quackenbos St Nw, Washington 20011 | (202) 529-7439 |
| Virginia's Capitol Renovations 1127 5th St Nw, Washington 20001 | (202) 737-3518 |
| Unity Construction Co 2728 12th St Ne, Washington 20018 | (202) 526-0503 |