| Business | Phone |
| Aztec Plumbing & Heating Inc 2 Stewart Way, Severna Park 21146 | (410) 315-8558 |
| Catons Plumbing Htg & Cooling Severna Park 21146 | (410) 647-1861 |
| Catonsville Plumbing 651 Ritchie Hwy, Severna Park 21146 | (410) 647-6416 |
| Erman O Dill Plumbing & Htg Po Box 224, Severna Park 21146 | (410) 647-3232 |
| Roto-Rooter Plumbing & Drain 605 Ritchie Hwy, Severna Park 21146 | (410) 647-7768 |
| Service First Plmbng & Constr 449 Retford Dr, Severna Park 21146 | (410) 544-9294 |
| Shepherd Enterprises Severna Park 21146 | (410) 729-9200 |
| Yank's Plumbing & Heating Inc 139 Arundel Beach Rd, Severna Park 21146 | (410) 647-8196 |