As a fourth generation family owned and operated business, ALL-GAS installs, fills and services propane tanks and propane systems throughout CT. ALL-GAS provides compressed gases, medical gases and welding gases, and is the number one provider of specialty gases in CT. ALL-GAS has a state-of-the-art welding showroom in Hartford, CT that is stocked with welders, welding supplies and apparel. ALL-GAS provides dry ice pellets and rice, made to order daily in our Hartford, CT facility. From CO2 to acetylene to propane to complex specialty gas mixtures, ALL-GAS has your residential and commercial gas needs covered. ALL-GAS does complete installations for propane tanks, gas lines, and fireplaces. ALL-GAS now offers cryogenic installations!