| Business | Phone |
| Inner Chamber Po Box 1205, Katy 77492 | (281) 391-0911 |
| Accu-Tech Plumbing 21106 Park Mount Dr, Katy 77450 | (281) 392-5505 |
| Acme Plumbing 6539 Pitts Rd, Katy 77493 | (281) 371-2030 |
| Adair Plumbing Katy 77450 | (281) 395-6383 |
| Alexander's Roto-Rooter Katy 77493 | (281) 391-4567 |
| All American Plumbing Katy 77450 | (281) 578-9760 |
| Alldredge Plumbing & Sewer Svc Katy 77450 | (281) 492-1478 |
| Big Dog Plumbing 6019 Settlers Village Dr, Katy 77449 | (281) 861-6860 |
| Bob's Plumbing 2726 Saddlehorn Trl, Katy 77494 | (281) 392-3876 |
| Brad's Plumbing 3230 Lindenfield Dr, Katy 77449 | (281) 579-9420 |
| Brazos Mechanical Svc Katy 77450 | (281) 647-9048 |
| Capital Care Plumbing 21101 Kingsland Blvd 1111, Katy 77450 | (281) 693-0006 |
| Drains By Jack 21103 Park Wick Ln, Katy 77450 | (281) 646-0422 |
| Enterprise Plumbing 20431 Blue Juniper Dr, Katy 77449 | (281) 579-9000 |
| Fred's Plumbing Svc Inc 21410 Park Mount Dr, Katy 77450 | (281) 579-1100 |
| G J's Plumbing & Repair Katy 77450 | (281) 579-1999 |
| Handy Andy Plumbing Po Box 5733, Katy 77491 | (281) 856-8585 |
| Humphrey Plumbing Svc 24310 Katex Blvd, Katy 77493 | (281) 347-7473 |
| John Hamm Plumbing 26017 Tina Ln, Katy 77494 | (281) 392-7410 |