Eduardo Gutierrez Ibanez

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

OM Residual UK Ltd. is a holding company which engages in the international investment, savings, insurance, and banking businesses. It focuses on emerging markets such as life insurance, property and casualty, asset management, and banking. The company was founded in 1845 and is headquartered in London, the United Kingdom.

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

Tanner Servicios Financieros SA provides financial services. It offers international and domestic factoring, insurance broking, commodities broking, corporate finance, capital leasing, vehicle loans. The company was founded on April 6, 1993 and is headquartered in Las Condes, Chile.

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.

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.

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.

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

Vetra Energía SL is an oil exploring company. It is engaged in acquisition, tenure, administration and management of securities, with interest in the gas and oil field. The company was founded on January 11, 2007 and is headquartered in Madrid, Spain.

Plessey, Inc. is a private company based in New York, NY.

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.

Part of Triad Co. Ltd. (United Kingdom), Telecel Group Ltd. is a leading provider of digital and communication services. The company is based in Rose-Hill, Mauritius and was founded in 1986 by Miko Rwayitare. The Mauritian company creates networks that push the world forward and delivers the promise of a digital dream. Telecel Group is a market disruptor and a leader in digital services, connecting, innovating, and building communities. Telecel Mobile, a subsidiary of Telecel Group, owns, operates, and manages several mobile operators and virtual operators under the same brand throughout various countries. The company is positioning itself as a key player in the new African digital revolution converging telecommunication with fintech, e-commerce, and the growing African-centered services. The CEO is Mohamad Damush.

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.

Mobile Telephone Networks Holdings Ltd. engages in the operation of mobile communication networks. The company was founded on March 17, 1993 and is headquartered in Roodepoort, South Africa.

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.

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