Mike Mayer

One Rock Capital Partners LLC (One Rock Capital) is a private equity firm founded in 2010 by Tony W. Lee and R. Scott Spielvogel. The firm is headquartered in New York.

Island Energy Services LLC engages in the provision of fuel marketing and logistics services. The company is headquartered in Kapolei, HI.

Petroplex Acidizing, Inc. provides acidizing and chemical treatments for oil, gas and injection wells. Its products include Petrosol X-25, anti-sludge systems, petrol and custom acid blends. The firm also provides acidizing, acid-frac transports, pressure pumping and pump down, pressure testing, step rate injection, backside monitoring services. The company was founded by Larry D. Foster in 1981 and is headquartered in Midland, TX.

MBI Energy Services, Inc. engages in the provision of water management and logistics, and well intervention services. It offers water trucking and service, oil hauling, hot oil, waste management, water transfer, winch and flatbed, and rentals; and service rigs, cased-hole wireline, fishing, and rentals. The company was founded by James R. Arthaud and Jody Arthaud in 1979 and is headquartered in Belfield, ND.