Bruce Rothstein

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.

VEDCO Holdings, Inc. operates as a holding company with interests in providing outsourced drilling and blasting services. It specializes in drilling and blasting, from regulatory issues to safety procedures and blast design. The company was founded in 2006 and is headquartered in Vasant, VA.

Torqued-Up Energy Services, Inc. provides coiled tubing and pressure pumping services. It offers fracturing and wrenching and testing services. The firm applications include frac stacks, flow lines and flowback rig ups. The company was founded in 2004 and is headquartered in Tyler, TX.

RBC Capital Partners Ltd. is a Venture Capital firm, a subsidiary of RBC Dominion Securities, Inc. founded in 1900. RBC Capital Partners Ltd. is headquartered in Toronto, Canada with offices across the globe.

First Reserve Management LP (First Reserve) is a private equity firm founded in 1983. The firm is headquartered in Stamford, Connecticut.

Ernst & Young provides accounting services. Its services include auditing, accounting, tax and transaction services, assurance and advisory business, online transaction advisory and a wide range of financial services. The company was founded by Arthur Young and Alwin C. Ernst in 1881 and is headquartered in Kansas City, MO.