George Instrument Company | Dave Ray & Associates

The Dave Ray Companies

Dave Ray & Associates: Dave Ray & Associates is a manufacturer's representative business focused on the industrial and municipal markets in Michigan, NW Ohio and Indiana. We represent several high quality manufacturers of process instrumentation and control. We also represent the premier lines related to electric heat and control.

George Instrument Company: George Instrument is the distribution side of our business (since 1946). We distribute a variety of instruments and controls from several top-notch manufacturers. We provide a large local, high tech, computerized inventory to support our customers’ requirements and offer multiple methods of procurement to facilitate customer ordering.

GIC Thermodynamics: GIC is an affiliated company that specializes in manufacturing custom temperature sensors and putting together small, custom panels and assemblies. We are their representative in Michigan and Indiana.


Our family has owned the company since 1973 when Dave Ray purchased it from Ted LaForge. Mark has been a field salesman since 1989 and has run the sales team since 1999. Cheri has worked in the company in almost every area since 1979. Mark and Cheri took over the company upon Dave’s passing in 2005.

Who we are today

We are a very technical group so we can actually help our customers solve their electric heat, instrumentation and control problems. We also have a wide variety of demos that we can bring in to show how the products work so we can be sure there is a good fit before you purchase. We strive to be a very professional, easy-to-work-with, sales firm that does what they say they will do.


Facilities: Our main facility is in a new location in Lake Orion, MI. We have over 4,000 square feet of office and inventory space available here. We also have salespeople working out of their home offices across Michigan and Indiana.


Located in Orion, Michigan. This serves as our central sales office.
220 Engelwood Drive, Suite D
Orion, MI 48359

George Instrument Company:
248-280-1111 phone
248-280-0998 fax

Dave Ray & Associates:


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