Supply/Equipment In addition to propane gas, James Oxygen & Supply Co. also provides industries and individuals throughout the Western North Carolina area with welding equipment & supplies, safety equipment and compressed gases. James Oxygen & Supply carries the complete line of Miller Welding materials and equipment as well as Jackson accessories, Victor regulators, adapter kits by Tweco, Uniweld Products and McKay Welding Products to the welding industry. With such a vast product line coupled with product knowledge and experience second to none, it’s no wonder that James Oxygen & Supply Co. is the first stop for the welding professional.