Nigel McMullen

Ara Advisers LLC (Ara Partners) is a private equity firm founded in 2017 by Charles Reed Cherington, Troy W Thacker and George Churchill Yong. The firm is headquartered in Houston, Texas.

Divert, Inc. provides recycling solutions. It offers cardboard, organics and food rescue recycling solutions. The company was founded in 2007 and is headquartered in Concord, MA.

GIDARA Energy BV is a company based in Nootdorp, Netherlands that specializes in converting non-recyclable waste into advanced biofuels and circular chemicals using patented technologies. The Dutch company's high-temperature Winkler technology can produce valuable products and advanced biofuels for use in the road transport, marine, and aviation sectors, helping these sectors to reduce their use of fossil resources, reduce carbon emissions, and become more sustainable. GIDARA Energy's objective is to meet the demand for cleaner fuels, reduce carbon emissions, reduce waste, and create a more circular economy. The company was founded in 2019, and Norbert Walter Josef Kamp has been the CEO of the company since 2022.

Earth Energy Renewables LLC wholesales bio-based chemicals and fuels. The company is based in Bryan, TX.

Aegis Chemical Solutions LLC provides chemical treatment and technical services for oilfield applications. It offers production treating chemicals, drilling & stimulation products, water transfer services and water treatment technologies. The company was founded in 2012 and is headquartered in Houston, TX.

Brooklyn Immunotherapeutics Investors LP provides investment services. The company is headquartered in Houston, TX.

Part of Eterna Therapeutics, Inc., Eterna Therapeutics LLC is a clinical-stage biopharmaceutical company based in New York, NY. The company is focused on exploring the role that cytokine-based therapy can have on the immune system in treating patients with cancer. Eterna Therapeutics is committed to developing irx-2, a novel cytokine-based therapy, to treat patients with cancer. The active constituents of irx-2, namely interleukin-2 (il-2) and other key cytokines, are postulated to signal, enhance and restore immune function suppressed by the tumor, thus enabling the immune system to attack cancer cells. Eterna Therapeutics is a late clinical-stage biopharmaceutical company focused on il-2 cytokine-based therapies in treating patients with cancer. Eterna Therapeutics was acquired by NTN Buzztime, Inc. on March 25, 2021 for $213.30 million.

Part of Amberjack Capital Partners LP, Cherington Capital LLC is a company that provides investment advice. The company is based in Cambridge, MA. The company was founded by Charles Reed Cherington.

Part of Px Holdco2 Ltd., Px Holdco3 Ltd. functions as an investment holding British company. The company is based in Stockton-On-Tees, UK. Founded in 2021.

Fox Paine & Co. LLC is a private equity firm. The firm was founded in 1996 by Saul Fox and Dexter. The firm is headquartered in California, US.

Square Robot, Inc. engages in the building and development of autonomous underwater vehicles. It specializes in non-destructive testing and oil and gas inspection. The company was founded by Eric Levitt, William O'Halloran, and Jerome Vaganay in May 2016 and is headquartered in Boston, MA.

Altira Group LLC (Altira Group) is a venture capital firm is founded in 1996 by Dirk McDermott. The firm is headquartered in Denver, Colorado.

Novomer, Inc. manufactures biodegradable plastics, polymers, and other chemicals from renewable substances. It specializes in commercializing a family of low-cost, high-performance, sustainable polymers and other chemicals. The company was founded by Geoffrey William Coates, Anthony Romey Eisenhut and Scott D. Allen in 2004 and is headquartered in Waltham, MA.

Maana, Inc. provides analytics platform that operationalizes data insight into line-of-business applications. The firm serves in the area of service and maintenance, sales, logistics, finance and risk and compliance. The company was founded by Babur Ozden and Donald Thompson in 2012 and is headquartered in Palo Alto, CA.

The Conservation Fund engages in the protection of America's landscapes & waterways. It offers identifying, negotiating and financing land purchases. The company was founded by Patrick Noonan and Richard Erdmann in 1985 and is headquartered in Arlington, VA.

Benchmark Completions LLC delivers market cutting edge casing hardware products. The company is headquartered in Houston, TX.

Paine Schwartz Partners LLC (Paine Schwartz Partners) is a private equity firm founded in 2006 by Dexter Paine, Kevin Michael Schwartz and Mitchell S. Presser. The firm is headquartered in San Mateo, California.

R360 Environmental Solutions LLC provides waste management services. Its services include landfill waste disposal, land treatment process, washouts, oil reclamation, transportation, closed loop equipment and waste collection, production water disposal, and R3 technology. The company was founded on July 2010 and is headquartered in The Woodlands, TX.

WireCo WorldGroup, Inc. engages in the manufacture and distribution of steel and synthetic ropes. Its industry solutions include cranes, engineered products, fishing, maritime, mining, oil and gas, wire products, WireCo structures, and yarns. The company was founded by J. P. Barclay, Sr. in 1931 and is headquartered in Prairie Village, KS.

Gryphon Investors,LLC (Gryphon Investors) is a private equity firm founded in 1995 by R.David Andrews. The firm is headquartered in San Francisco, California.

SCF Partners LLC (SCF Partners) is a private equity subsidiary of SCF Partners, Inc. founded in 1989 by L.E. Simmons. The firm is headquartered in Houston, Texas.

Total Safety U.S., Inc. engages in the provision of industrial safety services, equipment and compliance solutions. It includes gas detection, turnaround and shutdown, respiratory protection, confined space safety, in-plant services center, specialized safety personnel, professional and technical personnel, fire protection, fall protection, flare services, emergency response, training, compliance and certification, communications, medial management, equipment and technologies, and in-mine services center. The firm serves the solutions upstream, midstream, downstream, and other industries. The company was founded in December 1994 and is headquartered in Houston, Texas.

Select Energy Services LLC operates as an oil and gas service company. The firm offers water solutions and environmental, well completions & intervention and facilities construction & engineering services. The company was founded in 2008 and is headquartered in Houston, TX.

Priority Power Management LLC provides energy management and consulting solution. It offers energy structuring, energy transition program management, market intelligence operations, and ESG (environmental, social, and governance) delivery services. The company was founded by Padraig Ennis in 2001 and is headquartered in Midland, TX.

Amberjack Capital Partners LP (Amberjack Capital) is an independent private equity firm founded in 2006 by Charles R. Cherington and Curtis W. Huff. The firm is headquartered in Texas.

Fluitron, Inc. specializes in designing and manufacturing high-pressure equipment, including containment cells for small, bench-scale, high-pressure reactors, customized vaporizer and storage packages, and high-pressure gas compressors. The company is based in Ivyland, PA and has subsidiaries in the United States. The company also offers hydrostatic pressure testing, isostatic testing, and helium leak tests. Fluitron was founded in 1976 by Robert C. Wolf, and Linh Austin has been the CEO of the company since 2023.