| Business | Phone |
| Bull Run Asap 9108 Manassas Dr D, Manassas 20111 | (703) 369-7979 |
| City Of Manassas 9027 Center St, Manassas 20110 | (703) 257-8200 |
| Manassas Accounting 9027 Center St 303, Manassas 20110 | (703) 257-8249 |
| Manassas Accounting Dept 9027 Center St, Manassas 20110 | (703) 257-8269 |
| Manassas Assessments 9027 Center St, Manassas 20110 | (703) 257-8221 |
| Manassas Business Licenses 9027 Center St 104, Manassas 20110 | (703) 257-8214 |
| Manassas City Animal Control 10039 Dean Dr, Manassas 20110 | (703) 257-8009 |
| Manassas City Council 9027 Center St, Manassas 20110 | (703) 257-8213 |
| Manassas City Engineering 9027 Center St, Manassas 20110 | (703) 257-8227 |
| Manassas City Purchasing 8500 Public Works Dr, Manassas 20110 | (703) 257-8368 |
| Manassas City Surveying 9027 Center St, Manassas 20110 | (703) 257-8228 |
| Manassas Electric System 8500 Public Works Dr, Manassas 20110 | (703) 257-8351 |
| Manassas Human Resources 9027 Center St, Manassas 20110 | (703) 257-8268 |
| Manassas Information Tech 9027 Center St, Manassas 20110 | (703) 257-8295 |
| Manassas Inspections/Permits 9027 Center St, Manassas 20110 | (703) 257-8232 |
| Manassas Marriage Licenses 9027 Center St, Manassas 20110 | (703) 792-6040 |
| Manassas Park Building Ofcl 1 Park Center Ct, Manassas 20111 | (703) 335-8815 |
| Manassas Park Water Billing 1 Park Center Ct, Manassas 20111 | (703) 335-8805 |
| Manassas Park Voter Registrtn 1 Park Center Ct, Manassas 20111 | (703) 335-8806 |
| Manassas Passports 9248 Lee Ave, Manassas 20110 | (703) 792-6045 |
| Manassas Planning Dept 9027 Center St, Manassas 20110 | (703) 257-8223 |
| Manassas Rescue Dept 9322 Center St, Manassas 20110 | (703) 361-2030 |
| Manassas Risk Management 9027 Center St, Manassas 20110 | (703) 257-8236 |
| Manassas Sewer Adm Manassas 20110 | (703) 257-8381 |
| Manassas Water Dept 8500 Public Works Dr, Manassas 20110 | (703) 257-8380 |
| Manassas Support Svc Dept 8500 Public Works Dr, Manassas 20110 | (703) 257-8330 |
| Manassas Treasures Office 9027 Center St, Manassas 20110 | (703) 257-8243 |
| Manassas Voter Registration 9025 Center St, Manassas 20110 | (703) 257-8230 |