| Business | Phone |
| Ferguson Enterprises Inc 68 Industrial Park Dr, Waldorf 20602 | (301) 932-5400 |
| Hughes Supply 3270 Leonardtown Rd, Waldorf 20601 | (301) 645-2424 |
| Hughes Supply Inc Md Highway 5, Waldorf 20601 | (301) 843-6178 |
| Thomas Somerville Co 24 Irongate Dr, Waldorf 20602 | (301) 870-7912 |