Founded in 1982 by mechanical engineers, Shargo Manufacturing makes air distribution products for residential and light commercial HVAC systems under the Sierra Grates brand. This family-owned company, now spanning three generations, combines engineering-led design with vertically integrated manufacturing in India and U.S. distribution centers in Maryland and Nevada. Its four decades of experience are reflected in products built for dependable fit, durable service, and steady availability.
Gray Metal Products, IncFamily-owned Gray Metal Products manufactures heating and air-conditioning products for wholesale distributors and hardware chains. Incorporated in Rochester, New York, in 1932, the company traces its roots to the Gray family’s 1890 Rochester Can Company and remains in its fifth generation, with a long history that includes the patented corrugated garbage can and early HVAC components.AVON, NY
Southwark Metal Manufacturing CoFounded in 1946, Southwark Metal Manufacturing is a third-generation family-owned company that makes sheet-metal ductwork for residential and light-commercial HVAC systems. It operates seven U.S. facilities and describes itself as one of the largest manufacturers in this specialty, with more than 3,000 stock items and custom fittings produced for wholesale distributors.PHILADELPHIA, PA
Sid Harvey IndustriesSid Harvey Industries is a long-established HVAC supplier and manufacturer, founded by Sidney W. Harvey in 1931 during the early rise of automatic oil heating. What began in a Hempstead office grew into a distinctive business that distributes products while also producing new and remanufactured Sid Harvey-brand parts, serving heating, air-conditioning, and refrigeration trades through 83 branches.GARDEN CITY, NY
Fergas Group ABFounded in Linköping in 1949, family-owned Fergas Group AB develops and manufactures air-moving products for applications ranging from automotive seat ventilation to HVAC and appliances. Its distinctive engineering includes the patented AirBlaster and key-rivet blower-wheel technology, supported by manufacturing facilities across Europe, North America and China. Fergas has supplied air-moving solutions for 75 years and holds quality, environmental, occupational-safety and automotive-industry certifications across its operations.NORTH RIDGEVILLE, OH