American Industrial Partners is a private equity firm that invests in public and private middle market companies in the manufacturing and industrial service sectors that are primarily engaged in selling to other businesses. The firm s leadership team is made up of former Presidents and CEOs of Fortune 200 companies including Armco Steel, Goodyear Tire, Mead Paper, NL Industries, Oshkosh Truck, Raychem, Tenneco Automotive, Union Pacific and US Steel. American Industrial Partners supports management teams in building their businesses but does not play a role in the daily operations of portfolio companies. The company forms an operating partnership with management teams. Its typical equity investments range from $10 million to $50 million Founded in 1989, the firm has offices in San Francisco and New York.