| Business | Phone |
| Andrew Plumbing Svc 18409 Blackbrush Dr, Castroville 78009 | (830) 931-9403 |
| Castroville Appliance & Plbg 405 Us Highway 90 W, Castroville 78009 | (830) 538-2231 |
| Haby's Plumbing Co 1810 Amelia St, Castroville 78009 | (830) 538-3006 |
| Youngman Plumbing Co 3124 Highway 90, Castroville 78009 | (830) 762-3541 |