| Business | Phone |
| A 1 Svc Co 57 Laplume Ave, Lowell 1854 | (978) 937-2529 |
| Welch Brothers Co Inc 148 Tanner St # 1-A, Lowell 1852 | (978) 453-2100 |
| W J Leblanc Plumbing & Heating 85 Whitney Ave, Lowell 1850 | (978) 454-2761 |
| Affordable Plumbing & Heating Lowell 1852 | (978) 452-7835 |
| Turco Plumbing & Heating Inc 4 Quimby Ave, Lowell 1851 | (978) 452-5090 |
| Topjian Plumbing & Heating Inc 6 Spaulding St, Lowell 1854 | (978) 454-5084 |
| Steven Small Plumbing & Htg 31 Parkview Ave, Lowell 1852 | (978) 458-0553 |
| My Reliable Plumber 124 Lakeview Ave, Lowell 1850 | (978) 937-7340 |
| Extreme Plumbing 38 Railroad Ave, Lowell 1852 | (978) 851-0818 |
| Fred L Webster Co Inc 306 Walker St, Lowell 1851 | (978) 453-2891 |
| Charles J Arsenault Plumbing 12 Locust St, Lowell 1851 | (978) 454-1115 |
| Rooter-Man 67 Andover St, Lowell 1852 | (978) 937-1991 |
| Roto-Rooter Plumbing & Drain Lowell 1852 | (978) 458-1904 |
| Clean Drains Lowell 1852 | (978) 453-8655 |
| David M Murphy Plumbing Htg 3 Chambers St, Lowell 1852 | (978) 458-0481 |
| Dillon Plumbing & Heating 4 Foundry St # A, Lowell 1852 | (978) 454-2050 |
| O P Viau & Sons Inc 465 School St, Lowell 1851 | (978) 453-3701 |
| Drain Masters Lowell 1852 | (978) 453-4030 |
| Drain-Medic Of Nh Lowell 1851 | (978) 815-1229 |
| Drainco 297 Fairmount St, Lowell 1852 | (978) 452-1263 |
| Normandie Plumbing 105 Tanner St, Lowell 1852 | (978) 275-6440 |
| Elston Plumbing & Heating Co 14 Cambridge St, Lowell 1851 | (978) 452-3627 |
| Hillard Plumbing & Heating 225 Stedman St # 17, Lowell 1851 | (978) 251-7153 |
| John M Silva Plumbing & Htg 229 Pleasant St, Lowell 1852 | (978) 452-5246 |
| James J Durfee Plumbing & Htg 35 Maple St, Lowell 1852 | (978) 452-7739 |