Arnold L. Chavkin

Latigo Petroleum, Inc. explores and develops oil and gas. It conducts exploration and development drilling programs and makes strategic acquisitions in its targeted area of the Mid-Continent Region of the United States. The firm's targeted area includes the Permian, Anadarko and Arkoma basins located in Texas, New Mexico, Oklahoma and Arkansas. The company was founded in 1996 by Randy A. Foutch and is headquartered in Tulsa, OK.

SunCom Wireless PCS, Inc. is a wireless phone service provider based in Berwyn, Pennsylvania. After giving effect to a pending exchange of territories with Cingular Wireless and AT&T Wireless Services, Triton PCS will be licensed to provide digital wireless communications services in an area covering 14.3 million people in the Southeastern United States and 4.0 million people in Puerto Rico and the U.S. Virgin Islands.

Brand Energy & Infrastructure Services, Inc. provides integrated services to the global energy, industrial and infrastructure markets. Its services include abrasive blasting, cathodic protection services, coating services, CUI management services, fireproofing services, insulation services, pro services, refractory services, rope access, specialty mechanical services and work access. The company was founded in 1961 and is headquartered in Kennesaw, GA.

Vetco International Ltd. provides equipment to onshore and offshore oil and gas drilling and production companies. The company is owned and controlled by a private equity investors' consortium of Candover, 3i, JPMorgan Partners and senior management. It is headquartered in London, UK.

Carrizo Oil & Gas, Inc. engaged in the exploration, development, and production of natural gas and oil. Its operations included Delaware Basin and Eagle Ford Shale. The company was founded by Sylvester P. Johnson IV and Steven Alan Webster in December 1993 and was headquartered in Houston, TX.

Better Minerals & Aggregates Co. provides silica and aplite for the glass, foundry, chemical, recreational and construction industries and fine ground silica and kaolin clay used to make paint, plastics and ceramics. The company is headquartered in Berkeley Springs, WV.

Pine Brook Road Partners LLC (Pine Brook Partners) is a Private Equity firm founded in 2006. The firm is headquartered in New York.

Encore Energy Partners LP acquires and develops existing oil and natural gas properties. The firm operates through one business segment, the oil and natural gas exploration and production industry in the United States. The company was founded on February 13, 2007 and is headquartered in Houston, TX.

Part of Exxon Mobil Corp., Encore Energy Partners GP LLC is a company based in Dallas, TX. Scott W. Smith has been the CEO of the company since 2010.

Comet Ridge Resources LLC explores oil and gas. The company was founded in 2008 and is headquartered in Denver, CO.

Global Oilfield Services, Inc. manufactured, installed, and monitored artificial lift equipment for the domestic and international on-shore exploration and production market. The company was founded in May 2008 and was headquartered in Houston, TX.

PQ Corp. produces silicate, zeolite, and other performance materials. It serves the detergent, pulp and paper, chemical, petroleum, catalyst, water treatment, construction and beverage markets. The firm's products include lithium silicates, magnesium sulfate, sodium silicate liquids and solids. It also manufactures silica gel products for catalyst and anti-blocking applications and the zeolite products for adsorbent applications. The company was founded by Joseph Elkinton in 1831 and is headquartered in Malvern, PA.

Source Energy Partners LP operates as an oil and gas company. The company was founded by Paul Favret in 2010 and is headquartered in Highlands Ranch, CO.

Narragansett Bay Insurance Co. provides consultancy services for property and casualty insurance industry. It offers specialty underwriter of homeowner’s insurance products and services. The firm also offers insurance products in homeowners, renters and dwelling fire in these states: Massachusetts, New Jersey, New York and Rhode Island. The company was founded by Stewart H. Steffey, Jr. in 1848 and is headquartered in Pawtucket, RI.

GR Energy Services LLC provides oilfield products and services. It focuses primarily on onshore production and downhole completion services in North America. The company was founded in 2013 and is headquartered in Sugar Land, TX.

NBIC Holdings, Inc. operates as a specialty underwriter of homeowner’s insurance products and services. It insures condominiums, renters and rental properties, secondary and seasonal homes. The company is headquartered in Pawtucket, RI.

Pawtucket Insurance Co. property and Casualty Insurance. The company was founded in 1848 by Stewart Horner Steffey Jr. and is headquartered in Pawtucket, RI.

Consonance Capital Partners LLC (Consonance Capital Partners ) is a venture capital subsidiary of Consonance Capital Group founded in 2005 by Mitchell Blutt, MD, Nancy-Ann DeParle, Benjamin Edmands and Stephen McKenna. The firm is headquartered in New York.