| Business | Phone |
| American Energy System 3909 Railroad Ave, Fairfax 22030 | (703) 591-0291 |
| American Window Systems Inc 9687 Main St A, Fairfax 22031 | (703) 426-4000 |
| American Windows & Siding-Va 5609 Sandy Lewis Dr A, Fairfax 22032 | (703) 352-2100 |
| Ameritech Construction Corp 2929 Eskridge Rd, Fairfax 22031 | (703) 208-3301 |
| Capital Investments Imprvmnts 3937 University Dr, Fairfax 22030 | (703) 352-8600 |
| Certified Window 3918 Prosperity Ave, Fairfax 22031 | (703) 975-5500 |
| Country Squire Construction 3930 Oak St, Fairfax 22030 | (703) 591-3991 |
| Quality Window & Door Inc 9842 Main St, Fairfax 22031 | (703) 273-6490 |
| Steadfast Construction 2849 Zimpel Dr, Fairfax 22031 | (703) 385-2525 |
| Transnational Corp 11096 Lee Hwy A104, Fairfax 22030 | (703) 591-8211 |
| Window Man Inc 3853 Pickett Rd, Fairfax 22031 | (703) 978-9888 |
| Rech Inc Fairfax 22032 | (703) 978-4020 |