Steve Herman

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.

Latham & Watkins LLP operates as a full-service law firm or legal matters. It offers services in the areas of finance, litigation, accounting, banking, life sciences, private equity, real estate, government relations, employment law, and outsourcing. The company was founded in 1934 and is headquartered in New York, NY.

Granite Holdings, Inc. is an investment holding private company based in Hampton, NH. The company functions as a holding company for various investments.

US Generating Co. purchases, stores, sells, and transmits electrical energy. The private company is based in San Francisco, CA and has subsidiaries in the United States.

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.

Energy Capital Partners, Inc. operates as a private equity firm focused on investing in North Americas energy infrastructure. The company seeks to leverage its team’s decades of energy experience in investing and managing energy infrastructure assets and businesses to serve investors and portfolio companies. Energy Capital Partners was founded in 2005 and is headquartered in Short Hills, NJ.

STEAG SCR-Tech, Inc. provides environmental services. It offers services in the areas of nitrogen oxide, sulfur dioxide, and particulate emission control; and combustion optimization, large particle ash screens, and flow monitoring. The firm provides solutions in the categories of selective catalytic reduction catalyst regeneration, on-line and in-situ SCR catalyst cleaning technology, and SCR management, including catalyst testing, engineering, design, and EPC supply services. STEAG SCR-Tech was founded in January 2016 and is headquartered in Charlotte, NC.

Power Holdings of Illinois LLC functions as an investment holding private company. The company is based in Aurora, IL.

SER Capital Partners LLC (SER Capital Partners) is a private equity firm founded in 2018. The firm is headquartered in Redwood City, California.