Ritchie Engineering Company, Inc. is a leading worldwide supplier of U.S. designed and manufactured tools and equipment for the HVAC/R and automotive industries. 
More than sixty years ago, Jack Ritchie set a goal for Ritchie Engineering: to become the standard by which all other HVAC hoses are measured. In the last six decades, the YELLOW JACKET® brand has become the standard in hoses, tools, refrigeration gauges, manifolds, HVAC vacuum pumps and refrigerant recovery machines.