| Business | Phone |
| Advanced Project Management Fairfax 22030 | (703) 589-1435 |
| Belstar Inc 8408 Arlington Blvd 100, Fairfax 22031 | (703) 645-0280 |
| Apro Construction Group 3057 Nutley St, Fairfax 22031 | (703) 916-7402 |
| Himes Associates 3702 Pender Dr 120, Fairfax 22030 | (703) 591-7272 |
| Procon Consulting Llc 3176 Cantrell Ln, Fairfax 22031 | (703) 383-9766 |
| Q Construction 3607 Chain Bridge Rd E, Fairfax 22030 | (703) 293-9310 |
| Rolf Jensen & Assoc Inc 3040 Williams Dr # 400, Fairfax 22031 | (703) 641-4607 |
| U S Home Center Inc 13048 Red Admiral Pl, Fairfax 22033 | (703) 818-6502 |
| Vista Contracting Inc 4620 W Ox Rd, Fairfax 22030 | (703) 266-9394 |
| Walker Risk Management 10375 Democracy Ln A, Fairfax 22030 | (703) 359-2921 |