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About Us

Lost River Fabrication specializes in making custom parts for a wide variety of customers throughout the Treasure Valley and across the globe.

We have experience fabricating parts for Aerospace, Construction, Firearms, Signage, Overlanding, and even Art (like My Metal Rescue).

Our industry leading Custom Quote Tool allows you to order Laser Cut Sheet Metal and Tube in minutes instead of days.


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Give us a call or visit us at our Caldwell, Idaho location at 21987 Middleton Rd, Caldwell, ID 83605
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The Lost River Difference

When you partner with Lost River Fabrication, you get more than just equipment; you get a team committed to precision, speed, and customer success.

  • Expert Team

    Our skilled fabricators and technicians bring years of hands-on experience, ensuring your parts are cut, bent, or welded right the first time.

  • Custom Solutions

    Every project is unique. Whether you need one-off prototypes or full production runs, we tailor our approach to your exact specifications.

  • Local Commitment

    Based near Boise, we proudly serve companies across Idaho and the Northwest, combining big-shop capabilities with small-shop service.

  • Fast Turnaround

    We know timelines matter. Our process is built around delivering quality work quickly without cutting corners.

  • Advanced Technology

    We invest in state-of-the-art machines like fiber lasers, robotic welders, and water jets to give you accuracy and efficiency on every project.

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