Phone: (406) 531-8322


ISO 17025 Accredited

We're Open!

Oxygen Gauges

PinnaCal is open!  We operate in support of essential business and therefore, will continue to conduct business within the proper safety parameters set by the CDC and State of Montana due to COVID-19. 

Please know that we are taking extra safety and sanitary precautions to ensure the health and safety of our customers and staff and will keep our website updated so you know if and when things may change.  We also encourage you to reach out via phone or email if you have any questions or concerns.
PinnaCal is now providing calibration of oxygen gauges.  We know these commonly used instruments require special care which is why after calibration, oxygen gauges are cleaned and bagged to Level 1 standards in accordance with ANSI B40.1 prior to being returned to you.

If you have any questions about this new service or if we can be of any assistance, please feel free to contact us.  We’d love to help!

2020 Northwest Aviation Conference &
2020 Montana Aviation Conference

​​​​​​We would like to take a moment to say thank you to all the wonderful people who visited our booth and attended our presentation at the conferences!

We couldn't do this without your support and we look forward to seeing you again next year.

And don't forget... you can bring your instruments to the
conferences and we'll ship them back to you after the
calibrations are completed or send them to us before the
conference and we'll bring them with us to return to you.

See the conference websites at:

Welcome to Our World
Calibration Services
Excellent Customer Service
Repair Services
PinnaCal is an ISO 17025 accredited lab specializing in calibration of torque, force, pressure, electrical, and dimensional instruments. With one of the best turnaround times in the industry and excellent customer service, we put you first.  Click below to see a full list of our capabilities or check out our Services page.
We strive to be like no other when it comes to customer service.  We take care to provide you with high quality services personalized for your unique needs and ensure a fast turnaround time so you have your tools when you need them.  We are always happy to answer your questions and help you find a solution that fits with your schedule.
We carry a large inventory of parts to repair many brands of torque instruments and cable tensionmeters and we are currently working to add parts for calipers and micrometers. We know your tools are expensive so we want them to last.  Many minor repairs can be performed to increase your instrument lifespan.


"We use PinnaCal because of
the personal service. They get back to us right away and go
out of their way to answer
our questions."

Jody Basta
AvMax Montana

Our Mission

PinnaCal's mission is to provide premier calibration services assisting our clients in meeting industry specific quality standards for instrument and equipment maintenance.

Our ISO 17025 accredited lab provides efficient, accurate calibration and repair services with a strong focus on customer service. It is our goal to return the instruments you need quickly and with as little inconvenience as possible while providing the professionalism you deserve.

Our technicians are trained directly by leading instrument manufacturers including Snap-On, Fluke, and Mitutoyo to ensure you get only the best quality calibration. PinnaCal also provides Certificates of Calibration for every instrument we service at no extra cost.

We are leaders in service and ensure our work through the employment of continual training and excellent quality management maintained in our laboratory at all times.

We look forward to helping you meet your calibration requirements!

A Brief Look at Our Capabilities*

  • Torque Wrenches
  • Cable Tensionmeter
  • Scales 
  • Pressure Gauges
  • Hand Crimp Tools 
  • Multimeters - NEW!
  • ​Battery Testers - NEW!
  • Battery Chargers - NEW!
  • Clamp Meters - NEW!​
  • ​Oxygen Gauges - NEW!
  • Micrometers
  • ​Calipers
  • Bore Gauges
  • Protractors 
  • Fast Turnaround
  • Rush Service Available
Please check back often!  We are always adding new services.

*Not all testing listed is included in our A2LA Scope of Accreditation. Please see Certificate #5267.01 for a complete list of accredited calibrations.​