Alfred Ngalaah Chuphi

Columbia Capital LLC (Columbia Capital) is a venture capital firm founded in 1989 by Dave P. Mixer. The firm is headquartered in Alexandria, Virginia.

Optasite, Inc. develops and operates telecommunications tower sites. It provides tower sites for wireless carriers, broadcasters, and public safety organizations. The company was founded in 1995 and is headquartered in Westborough, MA

Puma Brandenburg Ltd. engages in investing, acquiring, managing, and selling real estate properties. The firm invests in residential, commercial and mixed use real estate properties. The company was founded by Howard Paul Shore on February 16, 2006 and is headquartered in Guernsey, the United Kingdom.

Part of SBA Communications Corp., Optasite Holding Co., Inc. provides wireless telecommunication services. The company is based in Boca Raton, FL. The CEO of the company is Jeffrey A. Stoops.

Catella Bank SA (Catella) is the wholly-owned subsidiary of Catella Holding AB, itself a subsidiary of (ST: CAT.A; .B) in Sweden. Formerly known as Banque Invik SA, the firm was founded in 1989 and is based in Luxembourg with a branch office in Stockholm. Catella provides advisory and discretionary asset management services to corporations, foundations and high-net worth private individuals.

Amaturo Group of California Ltd. operates FM radio stations.

Emtel Ltd engages in the provision of local telecommunication services. It offers consumer products and services such as mobile, voice, short message service (SMS), value added services (VAS), mobile Internet, international long distance (ILD), roaming, home internet, financial services or fintech, and pay TV and related media content, as well as enterprise products and services including data centres, network and connectivity, bulk messaging, cyber security solutions, and satellite connectivity. The company was founded on July 3, 1987 and is headquartered in Ebene, Mauritius.

Skadden, Arps, Slate, Meagher & Flom LLP provides legal advisory services. Its practice areas include mergers and acquisitions, finance, litigation, corporate finance, insurance, tax, labor and employment, political law, private equity, corporate, antitrust, white collar crime, international, regulatory, and legislation. The company was founded by Marshall Skadden, John Slate, and Les Arps in 1948 and is headquartered in New York, NY.

Vinson & Elkins LLP provides legal services. It maintains civil practice, covering areas such as litigation, public policy, transaction, and energy law. The firm serves the clients including companies from the aviation, energy, financial services, health care, and technology industries. The company was founded in 1917 and is headquartered in Houston, TX.

Point Judith Management Co LLC (Point Judith Capital Partner) is a venture capital firm founded in 2001 by David Martirano and Gina Raimondo. The firm is headquartered in Boston, Massachusetts.

Concourse Communications Group LLC provides wireless communications services. The company was founded by James H. Ross III on September 14, 2004 and is headquartered in Chicago, IL.

Part of Ernst & Young Global Ltd., Arthur Andersen (UK) is a British company that provides accounting services. The company is based in Reading, UK.

Nexamp, Inc. develops, designs, builds, owns, finances, and operates commercial-scale solar systems. The company was founded by Will Thompson, Daniel P. Leary and Henri-Claude Bailly in 2007 and is headquartered in Boston, MA.

CTI Towers, Inc. is engaged in operations and maintenance of wireless towers. The company was founded in 2011 and is headquartered in Cary, NC.

Koba International Group SA operates as a holding company. The firm specializes in retail and hard discounts. The company is headquartered in Panama.

Eastcastle Infrastructure Ltd. is a British company that was founded in 2020 by Peter Lewis and Pankaj Kulshrestha. The company is based in an unspecified location. The company's main focus is on pursuing new build-to-suit telecom tower and related infrastructure opportunities for their existing MNO relationships. The company has a track record of providing reliable and sustainable connectivity for consumers and communities.

Mercator Partnership Ltd. provides management consultancy services. The private company is based in Southampton, UK.

OC&C Strategy Consultants LLP provides strategic consulting services. The company was founded by Christopher David Outram on October 24, 2006 and is headquartered in London, the United Kingdom.

Avanti Broadband (ire) Ltd. engages in satellite telecommunications activities. The firm’s sectors include enterprise, broadband, carrier services and government services. The company was incorporated on February 24, 2009 and is headquartered in London, the United Kingdom.

Avanti Communications Africa Infrastructure Ltd. provides satellite data communications services. The company is headquartered in London, the United Kingdom.

Cambridge Clean Energy Ltd. provides renewable energy management solution services. It is a distributed clean energy company specialized in energy efficient products and services for the emerging markets. The firm develops and provides renewable energy management solutions to mobile network operators and tower companies in India and Africa. The company was founded by William Bubenicek and Bhaskar Chandra Panigrahi in 2009 and is headquartered in London, United Kingdom.

Capital Group Private Markets, Inc. (Capital Group) is a venture capital subsidiary of Capital Group International, Inc. founded in 1992. The firm is headquartered in San Francisco, California.

Grupo TorreSur is a Brazilian company that provides shared infrastructure for wireless communication and power efficiency solutions. The company also offers backup power and lease agreements. The company was founded by James S. Eisenstein and he has been the CEO since incorporation.

XRC Labs (XRC Labs) is a venture capital firm founded in 2015 by Pano Anthos. The firm is headquartered in Brooklyn, New York.