| Business | Phone |
| Zimar & Assoc 10105 Residency Rd 207, Manassas 20110 | (703) 331-3731 |
| Angler Environmental 12801 Randolph Ridge Ln 102, Manassas 20109 | (703) 393-4844 |
| Apex Environmental 8809 Sudley Rd 101, Manassas 20110 | (703) 396-6730 |
| Stewart & Son 10402 Central Park Dr, Manassas 20110 | (703) 257-1400 |
| Compprehensive Environmental 11950 Rocky Brooke Ct, Manassas 20112 | (703) 791-7700 |
| Safety Clean 11530 Balls Ford Rd, Manassas 20109 | (703) 331-0516 |
| Robison Environmental Inc 8503 Bucyrus Ct, Manassas 20110 | (703) 530-0900 |
| Enviormental Security Intl 9246 Center St, Manassas 20110 | (703) 330-3752 |
| Mid Atlantic Environmental Inc 11430 Balls Ford Rd # 102, Manassas 20109 | (571) 921-1333 |