| Business | Phone |
| Dunn's Valve Testers Inc 1827 Riley Fuzzell Rd, Spring 77386 | (281) 350-4767 |
| Hytec Valve 25250 Borough Park Dr, Spring 77380 | (281) 812-7023 |
| Flowserve Pmv 1440 Lake Front Cir 160, Spring 77380 | (281) 292-7500 |
| Sporlan Valve Co 25227 Grogans Mill Rd, Spring 77380 | (281) 292-9997 |
| Total Industrial Products 24800 Interstate 45 N, Spring 77386 | (281) 367-0029 |
| Ham-Let 3514 Blue Cypress Dr, Spring 77388 | (281) 651-8600 |
| Lone Star Ind Valve Spring 77379 | (281) 320-2617 |
| La-Tex Ind Supply Co 21506 Green Thicket Ct, Spring 77388 | (281) 353-3482 |