Airgas Inc

Airgas, Inc., an Air Liquide company since 2016, operates as the largest U.S. distributor of industrial, medical, and specialty gases with approximately 18,000 associates across 1,400-plus locations serving over one million customers. Founded in 1982, the company provides gases and supply solutions critical to water and wastewater treatment operations. Its CO2-based pH control program offers a turnkey alternative to mineral acids for process water and wastewater pH adjustment, post-lime-softening stabilization, reverse osmosis scale control, and cooling water chemistry management. Airgas supplies CO2 via pipeline injection, storage tank, and lagoon sidestream configurations with accompanying gas cabinets, injectors, and the EZ-GAZ digital cylinder monitoring service. The company distributes oxygen, nitrogen, argon, acetylene, and EPA protocol calibration gases through packaged cylinders, dewars, MicroBulk, bulk trailer delivery, and on-site generation for high-volume users. Additional water-relevant offerings include ammonia products for nutrient removal, process chemicals, and specialty gas mixtures for environmental monitoring. Airgas also provides welding hardgoods, safety equipment, and industrial supplies. Markets served include power utilities, water and wastewater treatment, environmental services, manufacturing, healthcare, food and beverage, and construction.