Messer is a company that manufactures and supplies industrial gases. The company offers oxygen, nitrogen, argon, carbon dioxide, helium, hydrogen, acetylene, shielding gases for welding, cutting gases, medical gases, and specialty gases, as well as various mixed gases. It also provides automatic dry ice production machines, CO2 production plants and recovery systems, dry ice blasting equipment, CO2 storage tanks, CO2 cylinder filling plants, CO2 vaporizers, and other CO2 accessories, etc.