Airgas, Inc., Radnor, PA, has acquired Great Lakes Oxygen, also doing business as Welder’s Supply, Westside Welders Supply, Great Lakes Propane, and Lake Erie Iron and Metal.

Great Lakes Oxygen, a distributor of industrial gas and welding supplies, generates annual sales of more than $15 million through locations in Cleveland, Painesville and Brook Park, OH. Facilities include retail showrooms, warehouses, fill plants, a specialty gas laboratory and an acetylene plant.

Since the beginning of its fiscal year in April, Airgas has completed 13 transactions with acquired annual revenues of more than $200 million.

Airgas is a U.S. distributor of industrial, medical, and specialty gases, and hardgoods, such as welding equipment and supplies. Airgas is also one of the largest U.S. distributors of safety products, a producer of nitrous oxide and dry ice, a liquid carbon dioxide producer in the Southeast, and a distributor of process chemicals, refrigerants, and ammonia products. Airgas has 1,100 locations.