| Business | Phone |
| Tinsley Welding 133401 W Johnson Rd, Prosser 99350 | (509) 786-4000 |
| Tri State Machinery 1530 Stacy Ave, Prosser 99350 | (509) 786-0400 |
| Eagle Welding & Mfg Inc 169208 W King Tull Rd, Prosser 99350 | (509) 882-8088 |
| J & M Speciality Welding 631 Wine Country Rd, Prosser 99350 | (509) 786-1622 |