Facilities MACO Incorporated is a Metal Fabricator located in Shelby, N.C. Services provided by Maco include General Fabrication, Pipe Fabrication, Machining, and Structural Steel Fabrication. MACO is ISO 9001:2015 certified, a certified member of the American Institute of Steel Construction (A.I.S.C) with Complex Coatings Endorsement. We employ an in-house C.W.I (Certified Welding Inspector) thru the American Welding Society. MACO has a large variety of fabrication equipment in-house, with the ability to provide other services such as heat-treating, laser cutting, and plating. Contact us for more details.