| Business | Phone |
| Griffith's Plumbing & Heating 12 Millington Ave, Hewitt 7421 | (973) 697-0650 |
| Abra-Cadabra Plumbing Heating Hewitt 7421 | (973) 853-6665 |
| Bill Thayer Plumbing & Heating 11 Glenwood Rd, Hewitt 7421 | (973) 853-2500 |
| Slater Well & Pump Svc 355 Warwick Tpke, Hewitt 7421 | (973) 728-1977 |
| Plumbing Shop Hewitt 7421 | (973) 853-3572 |
| J & D Plumbing 7 Westwood Ct, Hewitt 7421 | (973) 853-1532 |
| Lindsay Mark & Son Plumbing 5 Lakeside Rd, Hewitt 7421 | (973) 728-8016 |