Ritchie Engineering Company/YELLOW JACKET® Celebrates 75 Years of Innovation
Ritchie Engineering Company, Inc., the leader in service tools for HVAC/R professionals and manufacturer of YELLOW JACKET® products, is proud to be celebrating 75 years of delivering best-in-class products and service. Founded by Jack Ritchie, Ritchie Engineering was first a manufacturers’ representative organization. In 1949, the company manufactured its first charging hose, which was trademarked […]
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