S.J. Smith provides Illinois, Iowa and Missouri with bulk gas, micro-bulk, laser gas, welding gas, welding equipment, PPE, safety equipment including gloves, helmets, safety glasses, and custom gas installations for medical gas, industrial gas, manufacturing. These include Nitrogen, Oxygen, Argon, Helium, Hydrogen, Carbon Dioxide (CO2), Propane, Acetylene and Calibration Gases. We also repair welders and equipment. Other items we offer include dry ice and dry ice blasting. We are a family-owned