Eduardo Eugênio Gouvêa Vieira

QGN Participações SA engages in the production and sale of inorganic chemicals. It operates through the Consumption and Chemistry segments. The Consumption segment includes personal care and cosmetic products under the brand names Depiroll and Femfresh. The Chemistry segment involves the production and sale of sodium bicarbonate and barite products, which are used in the food, hemodialysis, pharmaceutical, and animal nutrition industries. The Company was founded on August 12, 1971 and is headquartered in Feira de Santana, Brazil.

Cia Petroquímica do Sul SA is a private company based in Triunfo, Brazil, with subsidiaries in British Virgin Islands. The Brazilian company produces basic petrochemicals. The CEO of the company is José Carlos Grubisich Filho.

Grupo Petrorio International SA produces oil and natural gas. The private company is based in Panama City, Panama.

Banco Nacional de Desenvolvimento Economico e Social SA engages in the provision of financing solutions to corporate clients, as well as micro-, small-, and medium-scale enterprises. Through its lending and investment subsidiaries, it is active in the non-reimbursable energy, agricultural, industrial, and civil infrastructure sectors. The company was founded on June 20, 1952 and is headquartered in Rio de Janeiro, Brazil.