Sonju Industrial is an award winning Aerospace and Defense Company that has conducted business since 1978. Sonju Industrial is a woman owned small business and operates within a HUBZone location in Kalispell, Montana.

Sonju industrial offers high-quality precision turnkey solutions. Every Customer’s experience is backed with Sonju Industrial’s commitment to on-time delivery, superior customer service, value pricing, and investments in state of the art technology.

Quality System
  • ISO 9001:2015  – ANSI/ISO/ASQ Q9100-2008

  • AS9100:2016

Quality & Delivery Requirements

  • Ship approximately 20,000 parts annually

  • Fracture Critical Inspection/Plans


  • Two(2) Mitutoyo CMM’s with MCosmos Verification Software

  • Temperature Controlled Environment

  • Inspect “Fracture Critical” components for numerous Fighter and Missile Programs

  • 1:10 Inspector to Production Personnel Ratio

2902 Hwy 93 North
Kalispell, MT 59901

(406) 752-7979


Made in Montana, USA

© 2021 Sonju Industrial.


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