| Business | Phone |
| Quality Carpentry Group Inc 4105 Heathfield Rd, Rockville 20853 | (301) 460-7140 |
| Doyle & Wade Construction 330 N Stonestreet Ave # F, Rockville 20850 | (301) 340-1635 |
| General Woodworking Corp 11605 Nebel St, Rockville 20852 | (301) 881-1343 |
| Madden Corp 5709 Frederick Ave # 201, Rockville 20852 | (301) 881-6669 |
| Koutras Construction Inc 12917 Grenoble Dr, Rockville 20853 | (301) 933-5920 |
| J & J Carpentry Inc 1121 Maple Ave, Rockville 20851 | (240) 453-9757 |