- Salisbury & Assoc., Inc.
- Spokane
Specializes in difficult access geotechnical and mineral exploration drilling throughout North America, using hand and light helicopter portable diamond core and auger rigs.
www.saitech.com
- Metriguard Inc
- Pullman
Designs and manufactures machine stress rating (MSR) equipment for the wood products industry.
www.metriguard.com
- Crux Subsurface, Inc.
- Spokane
Difficult logistics geotechnical drilling company.
www.cruxsub.com
- Schweitzer Engineering Labs (SEL)
- Pullman
Serves the electric power industry worldwide through the design, manufacture, supply, and support of digital protective relays for system protection, control, and monitoring.
www.selinc.com
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