Family-owned and operated for four generations, General Welding Supply Corp. has served Long Island since its founding in 1923. The company supplies compressed gases and welding equipment to customers ranging from local businesses to major health systems, with cylinder tracking and an onsite gas-analysis lab reflecting its unusually hands-on approach.
U.S. Food and Drug Administration registration
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New York State Board of Pharmacy registration
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Regional Emergency Supply Program (RESP)
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Keen Compressed Gas CoKeen Compressed Gas Co. supplies welding equipment and industrial and medical gases, with on-site dry ice production and related rental, repair, and delivery support. Founded in Wilmington as Keen Auto Parts in 1919, the family-owned company began selling acetylene and oxygen in 1928 and now operates 13 Mid-Atlantic locations with more than 140 employees. Its automated fill plant received ISO accreditation in 2019, the company’s centennial year.NEW CASTLE, DE
Haun Welding Supply IncFounded by Orval Haun in 1958, Haun Welding Supply remains a fourth-generation family business serving the Northeast from 22 stores. The company is known for carrying forward its founder’s straightforward, service-centered approach while supporting manufacturers, fabricators, and individual welders with welding supplies and specialty gases.SYRACUSE, NY
DeLille Oxygen CompanyFor more than a century, DeLille Oxygen Company has remained an independently owned Ohio business, operated by the Smith family since its 1963 purchase. Founded in 1924, the company grew from a local ice and coal supplier into a welding and gas supplier with its headquarters and main manufacturing facility in Columbus, where an updated acetylene plant from 1963 remains in operation. DeLille serves industrial customers across Ohio through its 10-location network while retaining the personal service of an independent company.COLUMBUS, OH
Airweld IncSince 1978, Airweld Inc. has supplied welding products and industrial gases across the Northeast, growing from the merger of businesses with roots reaching back to 1917. Its family of businesses—Airweld, Bronx Welding Supply and Atlantic Welding Supply—now operates 11 locations throughout metropolitan New York and Long Island. Airweld also stands apart as the only distributor in its region to handle cryogenic piping and bulk-system installations in-house with its own employees, while its cylinder-rehabilitation team has provided servicing since 2011.FARMINGDALE, NY