| Business | Phone |
| Wells Plumbing & Heating Lawrence 1840 | (978) 689-9119 |
| Affordable Plumbing & Drain Lawrence 1840 | (978) 686-6611 |
| Apollo Plumbing & Heating Inc 1 Shattuck St, Lawrence 1843 | (978) 688-1755 |
| Avila Plumbing & Heating 112 Cross St, Lawrence 1841 | (978) 683-3046 |
| Cheever Mechanical 104 Marston St, Lawrence 1841 | (978) 682-8614 |
| Rooter-Man 48 Portland St, Lawrence 1843 | (978) 688-1181 |
| Roto-Rooter Plumbing & Drain Lawrence 1840 | (978) 685-2742 |
| David Field Plumbing & Heating 34 Coolidge St, Lawrence 1843 | (978) 681-1979 |
| Drainco Lawrence 1840 | (978) 682-3665 |
| F & W Partnership 111 May St, Lawrence 1841 | (978) 689-7474 |
| Gaffny Plumbing & Heating Inc 106 Bradford St, Lawrence 1840 | (978) 682-0098 |
| Mr Plumber Lawrence 1840 | (978) 686-9110 |
| Lebowitz Associates 139 Essex St, Lawrence 1840 | (978) 688-1868 |
| John A Frangipane Plumbing 27 Sargent Ave, Lawrence 1841 | (978) 687-1257 |
| K Martin Plumbing & Heating 124 Abbott St, Lawrence 1843 | (978) 685-2521 |