John O'Donnell

BJ Services Co. LLC engages in the provision of pressure pumping, cementing, stimulation, and coiled tubing services. The company was founded on May 30, 1990 and is headquartered in Houston, TX.

CIRCOR International, Inc. engages in the business of designing, manufacturing, and marketing differentiated technology products and sub-systems for the defense markets. It operates under the Aerospace and Defense, and Industrial segments. The Aerospace and Defense segment is involved in the production of valves, pumps, electric motors, kinetic switches, high pressure pneumatic regulators and subsystems, and electromechanical assemblies. The Industrial segment includes positive displacement pumps, specialty centrifugal pumps, metering pumps, automatic recirculating valves, and control valves for mission critical applications. The company was founded in 1999 and is headquartered in Burlington, MA.

Baker Petrolite LLC provides chemical technology solutions for hydrocarbon production, transportation and processing. It offers oil and water separation technology, solutions to control corrosion, deposition, bacteria and hydrogen sulfide in producing wells and production facilities. The company was founded in 1997 and is headquartered in Tampa, FL.

Part of Baker Hughes Co., Baker Oil Tools, Inc. is a private company that produces tools necessary for the drilling, maintenance, and upkeep of oil products/machinery. The company is based in Houston, TX.

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.