| Business | Phone |
| Zepco Plumbing & Heating 66 Upland Rd, Waltham 2451 | (781) 891-5532 |
| Albanna Plumbing & Heating 18 Berkshire Rd, Waltham 2453 | (781) 891-3333 |
| Brookline Plumbing & Heating 110 Beaver St, Waltham 2453 | (781) 893-7473 |
| Peabody Supply Co 104 Felton St, Waltham 2453 | (781) 894-1699 |