Gas, Cutting and Welding Supplies Preweld has been in the welding industry since 1979. We are a leader in the supply of all industrial and specialty gas, cutting and welding equipment. Preweld supplies the best quality of welding equipment and welding machines for the industries specific needs. With a full range of Personal Protective Equipment, which includes overalls, dust mask, safety specs, respirators, gloves and safety shoes and boots, you are covered from top to toe. We only stock the best abrasive products for our customers and includes Pferd, Bulldog Abrasives and Grinding Technics. When it comes to filler material make sure that it has the correct verification marks for your own peace of mind.