General Air Service is one of the largest independent gas and welding distributor in the state of Colorado. Established in 1969, General Air is family and employee owned. Our average employee tenure is over 11 years, so you can rest assured you will get the best service possible. We have 8 retail store locations serving the Front Range; Boulder, Colorado Springs, Denver, Fort Collins, Greeley, Littleton, and Pueblo and our newest location in Silverthorne. General Air offers the brands and equipment you need and service you can trust.