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In 1966 Roy C. Marker was a field engineer for Applied Radiation. On a tour at a NASA facility in Texas, he was briefly shown a large panel of non-functioning flow gauges of various types and sizes. His tour guide pointed out how a majority of gauges were either inaccurate, non-functioning, or in the process of repair. His guide then said that a basic, sturdy, dependable flow gauge would be a major benefit to the industry.
After this trip, Roy challenged himself to come up with a simple flow meter that was rugged and reliable, easy to apply and install, and would give years of service. After developing the Flo-Gage, he launched RCM Industries in 1972 to provide this flow meter to the market. After Roy's untimely death, his wife Lenore Marker managed the business until her retirement in 1987. Our staff today includes many of Roy's original staff from the 1970s. 



Our products are guaranteed to satisfy - period. Order what you want, try it for 30 days. If you are not completely satisfied, return it for a full refund or credit. Products are further guaranteed against defects in materials and workmanship for a period of one year.



Our policy is to supply products that meet or exceed the expectations of our customers and all established requirements. We are committed to the continued improvement of our people, our services, our processes, and our products. RCM Industries, Inc. maintains a documented quality system as a means of ensuring that the products manufactured by RCM Industries, Inc. conform to customer specifications.



RCM Industries, Inc. manufactures direct reading differential pressure flowmeters for liquids and gases. It has a dedicated team of employees who specialize in the manufacture of flow products as well as research and development of new products, manufacturing processes, and technologies to remain competitive in the world marketplace. We work with our OEMs to custom fabricate our products to fit a variety of processes and applications. Our mission is to serve industrial and commercial customers with flow-measuring products that are rugged and reliable and easy to apply, and outstanding service with delivery commitments which are as reliable as our products.



110 Mason Cir, Ste D Concord, CA 94520





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