Rheem Package Unit Lift Kit. All Rheem products meet or exceed rigorous industry and regulatory standards for quality, reliability, efficiency, and air & water quality. From design and fabrication to finished product assembly, each phase in the manufacturing process is rigorously monitored and measured to ensure the highest quality , durability and operating excellence. Rheem products are routinely tested and certified by various government and third-party testing labs to ensure quality standards. Rheem is headquartered in Atlanta, Georgia. It manufactures in Fort Smith, Arkansas; Montgomery, Alabama; Oxnard, California and Eagan, Minnesota. All manufacturing facilities are ISO 9001 certified. Rheem operates a state-of-the-art Parts Distribution center in Randleman, NC and distribution facilities throughout the US and in Brampton, Ontario, Canada. Rheem also has an international presence in countries such as Australia, Canada, Mexico, Brazil and Singapore.