A 1 Sheet Metal, Inc. is based in Tulsa, Oklahoma specializing in metal building fabrication for the Utility, Oil and Gas industries and many other industrial and commercial markets. A 1 has strived to become one of the leading metal building fabrication shops in the industry. We at A 1 stand behind the quality of the product, guaranteeing customer satisfaction. A 1 manufactures a wide variety of pre-engineered or customized metal buildings with no limit on the size or customization of these buildings. Our buildings are designed for structural integrity and aesthetics. We offer complete design packages that include stamped P.E. drawings for the destination state as well as 3rd party inspections to insure I.B.C. and state building code compliance.