Who We Are A & B Tube Benders, is a family owned and operated business, located in Warren, Michigan. Since the doors opened in 1959, we have worked with the automotive, marine and government industries; Tube Forming, End Forming, Swaging, Tube Bending & Tube Cutting; Also Capable of Bending & Fabricating Solid Rod Up to 3 / 4 In; Diameter; Size Capacity Ranges From 1 / 8 In; Dia; Through 3 In; Dia; (Depending on the Application) for Tubing; all Types of Metals, From Plain Steel Tubing to Brass & ...