| Business | Phone |
| Shingle Stripper 7500 Lindbergh Dr, Gaithersburg 20879 | (301) 947-8858 |
| Seamless Gutter Supply 7500 Lindbergh Dr, Gaithersburg 20879 | (301) 921-9134 |
| Royal Gutter Svc 7640 Airpark Rd # B, Gaithersburg 20879 | (301) 947-3950 |
| Contractor Gutter Supply 7640 Airpark Rd, Gaithersburg 20879 | (301) 330-4095 |
| J & L Aluminum Co 22 Oneill Dr, Gaithersburg 20877 | (301) 840-1648 |