| Business | Phone |
| Hudson Plumbing & Heating 7 Avery Rd, Londonderry 3053 | (603) 882-0005 |
| James Michaels Plumbing & Htg 3 Albany Ave, Londonderry 3053 | (603) 434-4641 |
| Londonderry Plumbing & Heating 1a Rockingham Rd # 1, Londonderry 3053 | (603) 627-8833 |
| Mainline Plumbing & Heating 71 Mammoth Rd, Londonderry 3053 | (603) 437-9114 |
| Paul The Plumber 33 Londonderry Rd, Londonderry 3053 | (603) 578-1100 |
| Water Pro 25 Orchard View Dr, Londonderry 3053 | (603) 434-2002 |