Steven Cary Dunston

Tenneco, Inc. engages in the design, manufacture, market and sale of innovative clean air, powertrain and ride performance products and systems. It operates through the following segments: Motorparts, Performance Solutions, Clean Air, and Powertrain. The Motorparts segment consists of a portfolio of brand-name products in the global vehicle aftermarket within seven product categories including shocks and struts, steering and suspension, braking, sealing, engine, emissions, and maintenance. The Performance Solutions segment designs a variety of products and systems designed to optimize the ride experience of the global customer base, including noise, vibration, and harshness performance materials, advanced suspension technologies, ride control, braking, and systems protection. The Clean Air segment offers products and systems designed to reduce pollution and optimize engine performance, acoustic tuning, and weight on a vehicle for light vehicles, commercial trucks, and off-highway original equipment customers. The Powertrain segment focuses on original equipment powertrain products for automotive, heavy duty, and industrial applications. The company was founded on April 1, 1940 and is headquartered in Skokie, IL.

Pella Corp. engages in the manufacture of innovative windows and doors products. It includes patio doors, front entry doors, storm doors, and garage doors. It also offers a range of window styles such as awning, casement, double-hung, sing-hung, sliding, custom, bay or bow, special shape, and specialty using wood, fiberglass, and vinyl frame materials. The company was founded by Pete Kuyper and Lucille Kuyper in 1925 and is headquartered in Pella, IA.

Diamond Innovations, Inc. manufactures and supplies diamond, cubic boron nitride and polycrystalline products. The company is headquartered in Worthington, OH.