Profile: Stewart Stainless Supply, Inc. provides stainless steel products. Our product line includes stainless steel channel, plate, sheet, round & half-round bar, Hex B, square bar, flat bar and angle. We provide a full range of stainless steel and fiberglass products ranging from stainless steel plates to fiberglass structural. We provide many stainless steel services ranging from cutting, polishing, rolling and centerless grinding.