Pete Labbat

ProPetro Services, Inc. engages in the provision of oil and gas well drilling, stimulation, cementing, and coiled tubing services. The company was founded by Thomas E. Kelly and Dale Redman and headquartered in Midland, TX.

Ice Energy Holdings, Inc. provides distributed energy storage and smart grid solutions. It manufactures and markets energy storage solutions, and cooling and refrigeration products for the residential and commercial markets. The firm offers solutions for architects, building energy consultants, builders and developers, utility customers, energy and facilities managers, mechanical contractors, and utilities. The company was founded by Frank R. Ramairez, Brian Parsonnet and Gregory W. Tropsa in 2003 and is headquartered in Santa Barbara, CA.

Goldman Sachs & Co. LLC (GS&Co.) is a securities brokerage firm headquartered in New York City. Founded in 1927, the firm is a subsidiary of The Goldman Sachs Group, Inc. (NYSE: GS). GS&Co. provides services to help hedge funds manage risk, monitor portfolios, maintain liquidity and build their businesses. They offer clients access to global equity and derivatives markets, as well as foreign exchange, commodities, European Lefts, rates and credit across the Americas, Europe and Asia. The firm proactively monitors capital markets, searching for pockets of liquidity and news that may require changes to those strategies. Integration with the Goldman Sachs network gives clients access to the firm's sectored block trades and their insights into price discovery. Their electronic trading program provides clients with tools to manage their trades from pre-trade analytics to post-trade analysis.

Energy Capital Partners Management LP (ECP) is a private equity firm founded in 2005 by Doug Kimmelman. The firm is headquartered in Summit, New Jersey with an additional office in San Diego, Fort Lauderdale, New York City, Houston and Seoul .

NCSG Crane & Heavy Haul Corp. engages in the provision of mobile crane rental and heavy haul services. It offers engineering, logistics coordination, oil field transport, jack and slide, and specialty rigging. The company was founded in 1987 and is headquartered in Acheson, Canada.

ADA Carbon Solutions LLC engages in the provision of powdered activated carbon products optimized for mercury compliance in emission control applications. Its products include fastpac series, fastpac premium, and powerpac premium. The company was founded in 2008 and is headquartered in Littleton, CO.

NextLight Renewable Power LLC provides solar power plants. The company was founded by Frank De Rosa in 2007 and is headquartered in San Francisco, CA.