| Business | Phone |
| Class Maintenance Svc 1221 N Quaker Ln 301, Alexandria 22302 | (703) 916-3017 |
| Diagonal Data Maintenance Mgmt 1901 N Beauregard St, Alexandria 22311 | (703) 671-3800 |
| United Maintenance 3311 Holly St, Alexandria 22305 | (703) 519-9125 |
| Kvs Maintenance Svc 8647 Richmond Hwy, Alexandria 22309 | (703) 768-8500 |