| Business | Phone |
| Day & Night Plumbing Timonium 21093 | (410) 252-6700 |
| Dufrane Contracting 2318 Eastridge Rd, Timonium 21093 | (410) 628-6060 |
| Farnen & Dermer Inc 1317 York Rd # B, Timonium 21093 | (410) 833-7663 |
| G T Thompson Plumbing & Htg 2222 Dalewood Rd, Timonium 21093 | (410) 321-5739 |
| L H Cranston & Sons Inc 1965 Greenspring Dr, Timonium 21093 | (410) 252-7100 |