Mengzhen Zhang

Part of Valaris Ltd., Chiles Offshore, Inc. operates three ultra-premium hackup drilling rigs. The company is based in Houston, TX. The company was founded in 1997 by William E. Chiles, Erland Peter Bassøe, Jonathan B. Fairbanks. Chiles Offshore was acquired by ENSCO International, Inc. on August 07, 2002 for $425.27 million.

Greffex, Inc. provides vaccines and genetic medicine. The firm's products include Greffex Ebola Vaccine, Greffex Avian influenza vaccine GREFLU/VIE, Greffex Anthrax vaccine GREANX, Greffex dengue vaccine GREDEN/V1-4, Greffex H1N1 vaccine-swine influenza GREFLU/CAL, Greffex H7N9 (HPAI) vaccine, Greffex middle east respiratory syndrom coronavirus (MERS-CoV) vaccine and Greffex GREVAX universal platform influenza vaccine. The company was founded by Uwe D. Staerz and John R. Price is headquartered in Aurora, CO.

Viking Cold Solutions, Inc. operates as a thermal energy management firm. Its solutions include cold and solar and thermal storage and supermarket. The company was founded by Paul Robbins in 2011 and is headquartered in Houston, TX.

Universal Weather and Aviation, Inc. provides flight planning and support services. It services offers trip support, UVair fuel program, in flight catering, airport data licensing, datalink, global regulatory services, ground houndling network, SMS software, online flight planning, and mobile application. The company was founded by Tom Evans in 1959 and is headquartered in Houston, TX.

Scorpion Offshore Ltd. owns and operates a fleet of drilling rigs for the offshore oil and gas industry. The company was founded on April 22, 2005 and is headquartered in Hamilton, Bermuda.

Forum was founded when eleven companies came together to do a better job for the drilling and production industries. They design, manufacture and supply hardworking tools to serve and support these hardworking people including major onshore and offshore drilling contractors, orilling equipment rental companies, oilfield service companies, and assemblers of drilling and well servicing equipment. Flow control products include expendable fluid end-components for mud and centrifugal pumps, valves, chokes, kill manifolds and pressure control equipment. In addition, the company offers tubular handling products, including hydraulic catwalks, rotary and drill collar slips, safety clamps, casing slips and scrapers, elevators, stabbing guides, mouse hole tools, iron roughnecks, and tongs; and well invented products, including high pressure blowout preventers, lubricators, wellhead adapter flanges, and accessories.

Frontier Drilling USA, Inc. provides drilling and production services for the oil industry. It focuses on the operation and management of conventional drill ships, semi-submersibles, floating production, storage, and offloading vessels. The company is headquartered in Houston, TX.

Seajacks International Ltd. operates self-propelled jack-up vessels which provide offshore solutions. The firm operates in both renewable and hydrocarbon industries. The company was founded in 2006 and is headquartered in Yarmouth, the United Kingdom.

Vortex Ventures, Inc. engages in exploration of oil and gas. The company is headquartered in Houston, TX.

China International Intellectech Co., Ltd provides a range of services including human resource, business outsourcing, recruitment, management consulting, and health benefit services.

BAML Global Principal Investments (GPI) is the capital investment division of Bank of America Corp. (NYSE: BAC) (BofA). Headquartered in Charlotte, North Carolina, GPI originates, structures, executes and manages all direct private equity investments that are a strategic priority for BofA.

GEC Advisors LLC (GEC Advisors) is a private equity firm founded in 2008 by Jonathan Fairbanks. The firm is headquartered in Houston, Texas.

Points of Light Foundation, Inc. operates as a non-profit organization that provides social services. It helps schools, children and families and also volunteers in their communities and serves community needs. The company was founded by George Herbert Walker Bush in 1990 and is headquartered in Atlanta, GA.

SGI Frontier Capital Pte Ltd (SGI Frontier Capital) is a private equity firm founded in 2006. The firm is headquartered in Singapore.

Thomson Financial Advisors LLC provides investment advice. The private company is based in Scottsdale, AZ.

American Pacific International Capital, Inc. is a private equity firm. The private company is based in Portland, OR.

Stage Completions, Inc. provides fracturing equipment for Oil and Gas service. The company was founded by David Nordheimer and is headquartered in Houston, TX.

Freedom Solar LLC provides solar power services. It offers services to the commercial residential customers, including site evaluation, consulting, designing, permitting, financing, installation and ongoing monitoring. The company was founded by Adrian Buck in 2007 and is headquartered in Austin, TX.

Work America Capital Management LLC (Work America Capital) is a venture capital firm founded in 2014 by Jeffrey V Smith and Mark Toon. The firm is headquartered in Houston, Texas.

Flowco Production Solutions LLC engages in the design, manufacture, and installation of artificial lift equipment. It offers Flowco gas lift, Surge plunger lift systems, and optimization and nitrogen services. The company was is headquartered in Houston, TX.

Locus Bio-Energy Solutions LLC develops patent-pending, biochemical solutions that offer customized treatments for upstream oil applications. It offers AssurEOR FLOW and AssurEOR STIM. The company was founded in March 2017 and is headquartered in Solon, OH.

Estis Compression LLC engages in the provision of natural gas lift equipment rental services. It offers high pressure gas lift, conventional gas lift, and cyclic gas injection. The company is headquartered in Kilgore, TX.

VC Fuel LLC (VC Fuel) is a venture capital firm founded in 2020 by Ahmad Atwan. The firm is headquartered in Houston, Texas.

Part of Energy Capital Partners Management LP, ECP Management LP provides investment services in power generation, renewable and storage assets. The company is based in Summit, NJ and was founded in 2005.

Part of Atlantica Tender Drilling Ltd., BassDrill Alpha Ltd. is a Bermudian company that manufactures offshore drilling equipment. The company is based in Hamilton, Bermuda.