| 한글업소명 | 영문업소명 | Address | CITY | STATE | ZIP | Telephone |
| 대한빌딩관리소 | Dae Han Building Maint. | 11105 New Hamp. Ave. # 1 | Silver Spring | MD | 20904 | (301) 681-6803 |
| 도움의 집 | City Wide Maintenance Co. | 2453 Glen Gyle Court, | Vienna | VA | 22180 | (703) 319-7622 |
| 두라크린카펫청소 | Duraclean Systems | 959 Clopper Rd. | Gaithersburg | MD | 20878 | (301) 948-6820 |
| 베스트청소써비스 | Best Cleaning Service | 4624 Village Drive, | Fairfax | VA | 22030 | (703) 273-2506 |
| 케이앤에스청소 | K&S Management | 8229 Boone Blvd. # 402 | Vienna | VA | 22182 | (703) 442-8136 |
| 프로카펫청소서비스 | Pro Carpet Clean Serv. | 11611 Channing Drive, | Siver Spring | MD | 20902 | (301) 593-2256 |
| Air Duct Cleaning | Air Duct Cleaning | 6719 Curran St. 3rd Fl. | McLean | VA | 22101 | (703) 448-8584 |