| Business | Phone |
| Taylor Commercial Svc Gaithersburg 20879 | (301) 987-7500 |
| Boland Construction Co 9055 Comprint Ct # 330, Gaithersburg 20877 | (301) 948-1082 |
| Commercial Office Contr 18910 Premiere Ct, Gaithersburg 20879 | (240) 403-0400 |
| Decks Etcetra 15714 Ancient Oak Dr, Gaithersburg 20878 | (301) 869-1120 |
| Heritage Builders 4 Park Ave, Gaithersburg 20877 | (301) 948-5422 |
| Marathon Building Svc 15920 Tournament Dr, Gaithersburg 20877 | (240) 361-5000 |
| Lafoon Service Co Inc 814 W Diamond Ave # 205, Gaithersburg 20878 | (301) 212-4210 |