George Pinckney Walker

First Reserve Management LP (First Reserve) is a private equity firm founded in 1983. The firm is headquartered in Stamford, Connecticut.

APW Ltd. used to design, manufacture and integrates electronic products. The company designs and manufactures large, complex infrastructure products for original equipment manufacturers (OEM's) in the communications, large enterprise hardware and Internet markets. It specializes in manufacturing enclosures, thermal management, power supplies and backplanes, as well as core competencies in product and system design, integration and supply chain management. The company was headquartered in located in Waukesha, WI.

Harvard University engages in the provision of teaching and research. It has twelve degree-granting Schools in addition to the Radcliffe Institute for Advanced Study, offering a global education. The university was founded in 1636 and is headquartered in Cambridge, MA.

Novar Plc provides intelligent building systems, indalex aluminum solutions and security printing services. Its doorbells, alarm, and cable management systems are sold under the MK, Gent, and Trend brands. Novar was founded in 1985 and is headquartered in Weybridge, UK.

Johnston Group Plc manufactures and markets suction and mechanical precinct sweepers. It offers fire fighting and rescue vehicles, airport support equipment, concrete products and glass-reinforced plastic pipes for use in drainage, water and sewer systems. The company was founded in 1904 and is headquartered in Surrey, UK

The British Standards Institution provides international standards, testing, registration, and certification for businesses. Its services include certification, compliance tools and software, developing new standards, events and conferences, product certification and standard subscription services. The firm serves in the areas of aerospace and aviation, automotive, construction, energy and utilities, food and drink, IT and telecom and medical devices industries. The company was founded by John Wolfe-Barry in 1901 and is headquartered in London, the United Kingdom.

Ainscough Crane Hire Ltd. provides lifting and crane hire services. The firm offers all terrain cranes, crawlers, self-erecting mobile towers, truck-mounted cranes, and low headroom cranes. It also offers heavy haulage services to the oil and gas, petrochemical and construction industries. The company was founded by Gerald Ainscough in 1976 and is headquartered in Greater Manchester, the United Kingdom.

Selecta AG sells, leases, and rents food, snacks and beverage vending machines. The firm’s products include Coffee and hot drinks, snacks, cold drinks and fresh products. It also provides SME small solution, small business solution-barista, lavazza capsule solution, SME break, starbucks premium, lavazza premium, industry and office break solutions. The company was founded by Joseph Jeger in 1957 and is headquartered in Kirchberg, Switzerland.

Aggreko USA LLC manufactures temperature control, compressed air systems. It also provides temporary power supply, cooling, heating & electrification services at natural disaster sites and for events such as the super bowl, the olympics and movie sets. The firms products are provided to utility, manufacturing and construction companies. Aggreko USA is headquartered in New Iberia, LA.

RELX Group Plc engages in the provision of information and analytics for professional and business customers. It operates in four major segments such as scientific, technical and medical, risk and business analytics, legal and exhibitions. The company was founded on September 11, 1992 and is headquartered in London, the United Kingdom.

Ideal Standard International Holding SARL operates as a holding company with interests in manufacturing and marketing kitchen and bath products. It operates through its subsidiary Ideal Standard International BVBA. The firm offers bathroom furnishings, fixtures and shower enclosures for residential, commercial and institutional buildings. The company is headquartered in Zaventem, Belgium

BOA Holding GmbH operates as a holding company with interests in manufacturing flexible mechanical parts. The firm develops, produces and distributes expansion joints (metal, rubber and PTFE), metal bellows as well as metal hoses. The company was founded on December 29, 2010 and is headquartered in Stutensee, Germany.

The Defence Science & Technology Laboratory provides scientific and technical research to the defense and security of the United Kingdom. It supply specialize science and technology services, facilitate advice, analysis and assurance to aid decision-making, formulation, design and delivery of science and technology programmer using industrial, academic and government resources and acts as an interface between Ministry of Defence (MOD), wider government, the private sector, academia and allies to support military co-operation, capability delivery, diplomacy and economic policy. The company was founded in 2001 and is headquartered in Salisbury, United Kingdom.

Helios Towers Africa LLP operates telecommunication towers for mobile phone and internet networks. It offers vertical space for radio frequency and transmission equipment, uninterrupted power supply-plus battery backup, capital preservation, full regulatory compliance, and full site management and remote monitoring products. The firm's services include co-location and build to suit (B2S). The company was founded by Charles C. Green III in 2005 and is headquartered in London, the United Kingdom.

Selecta Group BV provides food and beverage vending machine solutions. The company is headquartered in Amsterdam, the Netherlands.

Part of John Swire & Sons Ltd., Swire Oilfield Services Holdings Ltd. is a holding British company that operates through its subsidiaries to provide oilfield services. The company is based in London, UK and was founded in 1999.

Part of Aggreko Ltd., Aggreko UK Ltd. is a company that engages in renting power generators, air conditioners, heat exchangers, and compressors. The company is based in Dumbarton, UK.

Part of Aggreko Ltd., Aggreko Finance Ltd. provides financial services. The company is based in Glasgow, UK.

Part of Aggreko Ltd., Aggreko US Ltd. is a holding British company that leases machinery and equipment. The company is based in Glasgow, UK.

Part of Aggreko Ltd., Aggreko Holdings Ltd. functions as an investment holding British company. The company is based in Glasgow, UK.

T.R. Moore & Co., PC provides accounting, auditing, and business advisory services. The company is headquartered in Houston, TX.

FlexEnergy, Inc. produces power generating equipment for producing clean energy from waste gases. The firm's technologies include: Flex Powerstation FP250, integrates patented thermal oxidation technology and offers both pollution control and electricity generation and the Flex Turbine MT250, capable of running on a variety of fuel gases, from pipeline-quality natural gas to oilfield associated gas to bio-gas. The company was founded by Edan Prabhu in 2000 and is headquartered in Irvine, CA.

Ideal Standard International SA provides bathroom furnishings, fixtures and shower enclosures for residential, commercial and institutional buildings. It manufactures and sells ceramic fixtures, brass fittings and bathing and wellness products. The company was founded on April 7, 2011 and is headquartered in Luxembourg.

LSP Holding (UK) Ltd. manufactures and distributes fasteners, sealing, precision engineered components, and pipeline packages to the markets. It also offers coating and plating, reverse engineering, and supply chain management. The firm serves market such as oil and gas, petrochemical, power generation, renewable energy, and engineering, procurement, and construction (EPC). The company is headquartered in Wednesbury, the United Kingdom.

The Boswell Trust operates as museums. The company was founded in 2010 and is headquartered in Auchendrane, the United Kingdom.

Helios Towers Africa Ltd. operates as a telecommunication tower infrastructure firm. The company is headquartered in Ebene, Mauritius.

Part of Aggreko Ltd., Aggreko UK Finance Ltd. provides finance services. The company is based in Glasgow, UK and was founded in 2016.