Ronald E. Ciora

BIC Corp. manufactures and supplies disposable ballpoint pens and cigarette lighters. It also offers disposable shavers. The company was founded in 1884 and is headquartered in Shelton, CT.

Part of Osaka Gas Co., Ltd., Convest Energy Corp. is a company that produces and markets oil and gas. The company is based in Houston, TX. Convest Energy was acquired by Forcenergy, Inc., a SUB of Osaka Gas Co., Ltd. from Edisto Resources Corp. on October 22, 1997 for $25.97 million.

Part of Osaka Gas Co., Ltd., Edisto Resources Corp. explores and produces oil and gas. The company is based in Houston, TX. Edisto Resources was acquired by Forcenergy, Inc., part of Osaka Gas Co., Ltd. from December 07, 2000 on October 22, 1997 for $139.61 million.

Paracelsus Healthcare Corp. owns and operates acute care and related healthcare businesses through directly and its subsidiaries. Its hospitals offer a broad array of general medical and surgical services on an inpatient, outpatient and emergency basis. Certain hospitals and their related facilities offer home health, skilled nursing care, rehabilitation and psychiatric services. The company was founded in November 1980 and is headquartered in Houston, TX.

DUSA Pharmaceuticals, Inc. is an integrated dermatology pharmaceutical company, which develops and markets Levulan Photodynamic Therapy technology platform for the prevention and treatment of dermatological skin conditions. Its products include levulan kerastick, BLU-U and clindareach. The company was founded by D. Geoffrey Shulman on February 21, 1991 and is headquartered in Wilmington, MA.

Tronox, Inc. manufactures and produces titanium dioxide. It offers mineral sands, titanium dioxide pigments, and electrolytic chemicals. The company was founded on June 6, 2005 and is headquartered in Oklahoma City, OK.

Sigma Partners (Sigma Partners) is a venture capital firm founded in 1984 by J. Burgess Jamieson and C. Bradford C. Jeffries. The firm is headquartered in Danville, California.

Arthur Andersen LLP used to provide accounting services. It was also into consulting services for clients that operate businesses throughout the United States and around the world. Arthur Andersen was founded in 1913 and was headquartered in Chicago, IL.

Part of Fujian Chengye Investment Co. Ltd., Fibrant LLC is a company that manufactures caprolactam and other related chemicals. The company is based in Augusta, GA.

Superior Energy Services, Inc. engages in the provision of drilling products, onshore completion and workover services, production services, and technical solutions to the global oil and gas market. It operates through the following segments: Rentals, Well Services, and Corporate and Other. The Rentals segment consists of engineering and design services, rental of drill strings, tubing, landing strings, completion tubulars and handling accessories, manufacturing and rental of bottom hole assemblies, and rentals of accommodation units. The Well Services segment focuses on risk management, well control and training solutions, hydraulic workover and snubbing services, engineering and manufacturing of sand control tools, and onshore international production services. It also includes the operations of offshore oil and gas property. The Corporate and Other segment includes expenses related to support functions. The company was founded on April 26, 1991 and is headquartered in Houston, TX.

Birla Carbon U.S.A., Inc. manufactures carbon black additives for rubber, plastic, and liquid products. It offers rubber carbon black products for use in tires and mechanical rubber goods; and carbon specialty black products. The company was founded on 1922 and is headquartered in Marietta, GA.

Probe Holdings, Inc. engages in the design, manufacture, and sale of measurement tools and systems. It products is used for formation evaluation, well integrity assessment, and productivity determination. The company was founded in 1995 and is headquartered in Missouri City, TX.

Sonneborn LLC manufactures and supplies hydrocarbons. The firm offers white oils and plastics oil, petrolatum, microcrystalline waxes, refrigeration oils, lubricants, petroleum distillates, and cable filling compounds. It serves personal care, agriculture, oilfield and drilling, telecom, pharmaceutical, refrigeration and air conditioning, polymers and industrial markets. The company was founded in 1904 and is headquartered in Parsippany, NJ.

Cactus Wellhead LLC manufactures pressure control equipment. It offers hangers, spools, seals, seats and head adapters. The firm maintains an inventory of frac trees and ancillary equipment for short-term rental, offers repair and refurbishment services, and provides service crews to assist in the implementation of pressure control systems at the wellhead. The company was founded in 2011 and is headquartered in Houston, TX.

Array Holdings, Inc. manufactures valves, actuators, and control systems. It products include flow iron, pigging valves, ball valves, check valves, and 6A choke valves. The company was founded on November 6, 2007 and is headquartered in Houston, TX.