Tru-Circle Corporation Wichita, Kansas Exit Portfolio Tru-Circle does contract machining for the aircraft, aerospace and defense industries. The company's specialty is the manufacture of large-diameter, precision-milled metal parts, which requires special lathes and tooling. CFB and three other equity firms invested in the company's recapitalization, along with its acquisition of L & S Machine, which makes structural components for the commercial and military aerospace industries. Tru-Circle was sold 31 months later to a large private equity firm based in New York.