George Instrument Company | Dave Ray & Associates

For over 70 years, George Instrument Company and Dave Ray & Associates have served Michigan, Toledo and Indiana’s industrial needs.

With locations and salesmen all throughout Michigan, NW Ohio and Indiana we are ready to help you with your industrial applications.


Electric Heating:

For more than 100 years, customers have relied on Chromalox for the utmost in quality and innovative solutions for industrial heating applications. Chromalox manufactures the world’s largest and broadest line of electric heat and control products, including heating components, immersion heaters, circulation systems, heat transfer systems, boilers, industrial and comfort air heating, heat trace cables, sensors and precision electronic controls. With the broadest product line in the industry and an inventory of nearly one million items in stock, Chromalox provides heat and control solutions quickly to keep your facility up and running.


Our companies represent several of the top companies in the instrumentation market. MSA is the premier line of gas detection equipment in the market. Also, Honeywell has a very broad line of industry-leading instrumentation like controllers, recorders, SCADA, RTU’s and pressure transmitters. Fairchild produces high quality regulators and I/P’s. Mag-Gage is our new rugged MLI line that has 4-6 week deliveries!

Temperature Sensors:

GIC Thermodynamics offers a full line of products for the most demanding applications. Utilizing the Quality Control procedures from our Mil-Spec program, we can assure that we are producing the highest quality sensors available. With over 40 years of experience, our knowledgeable sales and engineering staff will work with you to develop the right sensor for your application.

Line Card:

Download our Michigan/Ohio Line Card, Indiana Line Card, or our Michigan Upper Peninsula Line Card


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