Site Information

loading Loading... Please wait...
Need Assistance?   866-451-2257
  • My Account

About Us

Mid-State Instruments (MSI) is the leading thermal imaging distributor in the United States.

With over 30 years of technical experience, MSI provides customers with an easy and reliable solution for all infrared camera and gas detection needs. Our customers include the US Government, the military, and professionals in manufacturing, research and development and building and energy auditing. MSI contains two subdivisions: Gas Detection Warehouse and Infrared Camera Warehouse.

We are based in San Luis Obispo, CA. Our main address is:

3485 Sacramento Dr, Suite C
San Luis Obispo, CA 93401

Call us at (866) 451-2257 or fax us at (805) 576-7629.

Visit for all your thermal and infrared camera needs!

Visit for all your gas detection needs!