We are your Fresno, California specialty, medical, industrial, welding and beverage gas supplier. You can count on WestAir to deliver your gases on-time, every time. WestAir Gases & Equipment provides specialty and industrial gases such as: nitrogen, argon and CO2 to a wide range of businesses including: labs, biotechs, metal fabricators, restaurants, bars, and breweries. WestAir provides liquid and compressed gases in cylinders and dewars.