Top 10 Welding Companies in Idaho 2026
Last updated
FirmsLedger lists 10 welding companies headquartered in Idaho. That ranks 7th among the 49 states with listings, behind Colorado (13), Iowa (13) and 4 other states. The largest clusters are in Boise (3), Garden City (2) and Nampa (2), and the other 3 are in 3 more cities. Boise listings include Boise Metal Works, The Metal Knight and Yanke Machine Shop & Fabrication.
By specialty, Idaho has structural steel (5), laser cutting (2), sheet metal fabrication (2) and aluminum fabrication (2) listings. Capabilities that more than one of them list include custom fabrication (4) and custom metal fabrication (2).
| Company | City | Specialty | Phone | Website |
|---|---|---|---|---|
| Teton Metal Fabrication | Rexburg | Structural steel fabrication | (208) 206-0535 | tetonmetalfab.com |
| 83-MetalCraft-LLC-Metal Fabrication-Boise | Garden City | Custom metal fabrication | (208) 948-2114 | 83metalcraftboise.com |
| Boise Metal Works | Boise | Structural fabrication | (208) 376-7777 | boisemetalworks.com |
| Cooper Fabrication Inc. | Post Falls | MIG welding | (208) 777-0114 | cooperfab.com |
| Erwin Custom Fabrication | Nampa | Custom metal fabrication | (208) 856-6487 | erwinfab.com |
| Jacks Metal Works LLC | Garden City | CNC plasma cutting | (208) 375-5272 | jacksmetalworks.com |
| Laser Metal Fabrication | Twin Falls | Laser sheet cutting (24 gauge to 1-inch plate) | (208) 948-8100 | lasermetalfab.com |
| The Metal Knight | Boise | MIG welding | (208) 960-0218 | themetalknight.com |
| Yanke Machine Shop & Fabrication | Boise | Machining & Industrial Repair | (208) 342-8901 | yankemachine.com |
| Snake River Fabrication | Nampa | Powder Coating & Galvanizing | (208) 546-0843 | snakerfab.com |

Erwin Custom Fabrication
Nampa, Idaho
Erwin Custom Fabrication operates from a shop in Nampa, Idaho, serving the Treasure Valley since its founding in 1993. The company began as a custom welding and metalwork operation and has grown into a full-service fabrication facility over more than three decades.

Laser Metal Fabrication
Twin Falls, Idaho
Laser Metal Fabrication operates from Twin Falls, Idaho, in the Magic Valley region. The company was founded by Cort Johnson, who holds a bachelor's degree in Welding Fabrication Technology from Brigham Young University–Idaho and a master's in Project Management from Idaho State University.
Frequently asked questions
Which welding companies in Idaho list custom fabrication?
4 companies list it: Cooper Fabrication, Jacks Metal Works, Laser Metal Fabrication and Snake River Fabrication.






