Cryogenics, gas products, industry and welding equipment are General Air Service & Supply's specialties. The company's products and services include repair, sales, service and specialty. General Air Service & Supply offers the Harris, Hobart, Lincoln Electric, Miller, Thermal Dynamics, Tweco and Victor brands. The company has six Colorado locations, including Denver. General Air Service & Supply in Denver, which has been in business since 1969, is a distributor for C&G Systems, Stoody, Thermal Arc, Thermal Dynamics, Tweco/ArcAir and Victor Equipment.