| Business | Phone |
| American Woodworks 22609 Griffith Dr, Gaithersburg 20882 | (301) 926-9663 |
| Dam Carpentry Corp 18401 Woodfield Rd, Gaithersburg 20879 | (301) 869-6440 |
| Eagles Construction 18017 Driftwood Ct, Gaithersburg 20877 | (301) 330-0390 |
| Nam's Carpentry Inc 907 Pointer Ridge Dr, Gaithersburg 20878 | (301) 869-6478 |
| J E Hahn Home 11 Silver Kettle Ct, Gaithersburg 20878 | (301) 977-5658 |