R. Krug Fenz

Lone Star Technologies, Inc. manufactures and markets steel tubular products. The company provides alloy and carbon welded oil tubular goods, including casing and production tubing which are used in the completion of production from oil and natural gas wells. Lone Star Technologies was founded in 1966 and is headquartered in Dallas, TX.

Shell Oil Co. manufactures petrochemicals and distributes gas and oil products. The company was founded in 1912 and is headquartered in Houston, TX.

Virent, Inc. develops and commercializes biofuel technologies. It converts soluble biomass-derived sugars into products molecularly identical to those made with petroleum, including gasoline, diesel, jet fuel, and chemicals used for plastics and fibers. The company was founded by Randy D. Cortright and James Dumesic in 2002 and is headquartered in Madison, WI.

The Hygenic Corp. engages in the manufacture of synthetic sheeting and tubing products. It offers tube braiding, die cutting, custom compounding, custom printing, custom packaging, sub assembly, product R&D, engineering services, prototyping, special testing, surface modifications, and quality assurance. The company was founded by Walter P. Keith, Sr. in 1925 and is headquartered in Akron, OH.

Part of H-Quotient, Inc., ROSS Corp developed and patented a renal ozone sterilization system. ROSS was acquired by H-Quotient, Inc. on November 23, 1999 for $2.62 million.