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White logo with large "MSI" in the center, "ENGINEERS" written vertically to the right, and "SINCE 1969" in smaller letters below—reflecting our expertise in Engineering Design and Plumbing Design.
  • Projects
  • Expertise
  • About Us
  • Careers
  • Contact Us
White logo with large "MSI" in the center, "ENGINEERS" written vertically to the right, and "SINCE 1969" in smaller letters below—reflecting our expertise in Engineering Design and Plumbing Design.

Contact Us

Spokane

108 N. Washington, Suite 505
Spokane, WA 99201

(509) 624-1050

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Missoula

115 W Main St
Missoula, MT 59802

(406) 214-3920

VIEW MAP

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  • Expertise
  • Projects
  • About Us
  • Careers
  • Contact Us

Spokane

108 N. Washington, Suite 505
Spokane, WA 99201

Phone: (509) 624-1050

Missoula

115 W Main St
Missoula, MT 59802

Phone: (406) 214-3920

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  • Projects
  • Expertise
  • About Us
  • Careers
  • Contact Us