| Business | Phone |
| Ashburn Farm Homeowners Assn 21400 Windmill Dr, Ashburn 20147 | (703) 729-6680 |
| Ashburn Farm Homeowners Assn 43641 Golden Meadow Cir, Ashburn 20147 | (703) 729-9706 |
| Ashburn Lodge Ashburn 20147 | (703) 729-4403 |
| Ashburn Village Homeowners 44025 Courtland Dr, Ashburn 20147 | (703) 729-5162 |
| Belmont Community Assn 20071 Medalist Dr, Ashburn 20147 | (703) 723-8300 |
| Belmont Greene Community Assn 43003 Chesterton St, Ashburn 20147 | (703) 724-1583 |
| Brambleton Group 22634 Belmont Ridge Rd, Ashburn 20148 | (703) 723-1100 |
| Broadlands Association 21907 Claiborne Pkwy, Ashburn 20148 | (703) 729-9704 |
| Carisbrooke Home Assn 21691 Knolls Hill Sq, Ashburn 20147 | (703) 858-1900 |
| Nuca 44342 Tillman Ter, Ashburn 20147 | (703) 723-4300 |
| National Association 19885 Bethpage Ct, Ashburn 20147 | (703) 724-1355 |
| National Recreation & Park 22377 Belmont Ridge Rd, Ashburn 20148 | (703) 858-0784 |