Hélio Marcos Machado Graciosa

Part of Fundação CPqD Centro de Pesquisa e Desenvolvimento, Trópico Sistemas de Telecomunicações SA is a telecommunications company based in Campinas, Brazil. Trópico Sistemas de Telecomunicações SA offers a wide range of applications and solutions to help businesses innovate and stay competitive. The Brazilian company's portfolio includes integrated corporate applications management, automation, unified communications, specialized services, and connectivity solutions for public and private networks based on LTE 4G and 5G open RAN technologies. The company also offers specialized solutions for various segments such as the electricity sector, agribusiness, mining, transport and logistics, defense and safety, and utilities. The company was acquired by Fundação CPqD Centro de Pesquisa e Desenvolvimento from Promon SA on November 10, 2014.

Algar Group operates as a holding company with interests in information and communication technology, agribusiness, tourism, and services. The Information and Communication segment offers services in telephony and data communication, mobile phone, telecommunications and multimedia, contact center, BPO, IT, cable TV, data communication, internet broadband, data center, and telecommunications engineering. The Agribusiness segment produces and markets soybean. The Tourism segment manages the water park Rio Quente Resorts. The Services segment deals with air taxi services, aircraft trading, security systems, asset monitoring, safety of individuals, real estate management, professional development for member of the Altar Group, management of bus stations, sale of transport tickets, management of commercial centers, operation of consulting services in engineering, and research and development related to renewable energy projects. The company was founded in 1930 by Alexandrino Garcia and is headquartered in Uberlândia, Brazil.

Padtec SA engages in the manufacture of optical networking equipment for the telecommunications industry. It operates through the following segments: Regional Operators and Internet Providers (ISPs), Network Operators, Information Technology and Multimedia, Government, Utilities, Finance, and Research Networks. Its platforms include LightPad i6400G, MultiPad MPD-1200, and LightPad OTS. The company was founded by Jorge Salomão Pereira on November 25, 1999 and is headquartered in Campinas, Brazil.

Fundação Sistel de Seguridade Social (Sistel Foundation) is an independent Brazilian multi-employer pension fund management firm which was founded in 1977. Headquartered in Sao Paulo, Sistel Foundation participates in the development of health insurance solutions tailored to the needs and profile of plan sponsors and their employees. They are regulated and supervised by the Supplementary Pension Department and the Ministry of Social Welfare and their investments are monitored by the Central Bank of Brazil.

Part of Oi SA, Telecomunicacoes da Bahia SA is a Brazilian company that provides telecommunications services.

Algar Telecom SA engages in the provision of telecommunications services. The firm focuses on business-to-business (B2B) customers. Its services include fixed and mobile telephony, broadband internet, and cable television. The company was founded by Alexandrino Garcia on February 15, 1954 and is headquartered in Uberlandia, Brazil.

Telebahia Celular SA provides cellular mobile telephone services. The private company is based in Salvador, Brazil.

Fundação CPqD Centro de Pesquisa e Desenvolvimento provides R&D services, and develops programs and solutions for the telecommunications, finance, energy, industrial, corporate, and public service sectors. The firm was founded in 1976, and is based in Campinas, São Paulo.