| Business | Phone |
| Middlebrook Square 231 E Deer Park Dr # A, Gaithersburg 20877 | (301) 972-1947 |
| Housing Charities Inc 1 E Diamond Ave # 1a, Gaithersburg 20877 | (301) 590-2014 |
| Housing Opportunities Cmmssn 231 E Deer Park Dr, Gaithersburg 20877 | (301) 527-0034 |
| Housing Opportunity Commission 8343 Fairhaven Dr, Gaithersburg 20877 | (301) 869-5221 |