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Eleven Financial Research (EFR) is an independent research firm headquartered in São Paulo, Brazil and was founded in 2015. The firm provides investment research to their clients.

Prime SA CCV is a Brazilian company that provides brokerage services. The private company is based in Rio de Janeiro, Brazil. The company was founded in 1980 by Carlos Alberto Reis. Carlos Alberto Reis has been the CEO since 1980.

Moody's Investors Service, Inc. is a credit rating and investment research firm headquartered in New York City. They are a subsidiary of Moody's Corp. (NYSE: MCO). The firm performs international financial research and analysis on commercial and government entities and provides a variety of analytic tools for assessing credit risk. Their clients include creditors, investment banks and commercial banks.

Icatu Vanguarda Gestão de Recursos Ltda. (Icatu Vanguarda) is the asset management subsidiary of Icatu Holding SA in Brazil. The firm was founded in 1998. Headquartered in Rio de Janeiro, Icatu Vanguarda provides asset management services to institutional or individual clients.