| Business | Phone |
| A R Thomas Plumbing & Heating 14 Pafel Rd, Annapolis 21401 | (410) 266-8036 |
| All State Plbg Htg & Cooling 9 Northwest St, Annapolis 21401 | (410) 268-5653 |
| Branzell Plumbing 915 West St, Annapolis 21401 | (410) 263-2239 |
| C & C Mechanical Plumbing Annapolis 21401 | (410) 268-3600 |
| Catons Plumbing Htg & Cooling Annapolis 21401 | (410) 267-1212 |
| E J Lewis Plumbing Heating-A/C Annapolis 21401 | (410) 990-0005 |
| Elsey's Plumbing & Heating 954 Highpoint Dr, Annapolis 21401 | (410) 757-6061 |
| Heidler Inc 208 Taylor Ave, Annapolis 21401 | (410) 268-7191 |
| Howard W Dunton & Son 1811 Generals Hwy, Annapolis 21401 | (410) 849-3521 |
| J P Plumbing 1993 Moreland Pkwy, Annapolis 21401 | (410) 280-1151 |
| R E Robertson Plumbing & Htg 42 Hudson St # 201, Annapolis 21401 | (410) 757-0023 |
| Roto-Rooter Plumbing & Drain Annapolis 21401 | (410) 268-0991 |
| Schelle's Plumbing & Heating 303 Beach Dr, Annapolis 21403 | (410) 263-5919 |
| Smith & Rawlings Inc 1805 Virginia Ave # B, Annapolis 21401 | (410) 263-3820 |
| Three Bears Plumbing 580 Broadneck Rd, Annapolis 21401 | (410) 757-1922 |
| Usa Plumbing 1842 Shively Ct, Annapolis 21401 | (410) 757-5131 |