Josedir Barreto dos Santos

OAS SA is a holding company engaged in the provision of engineering and civil infrastructure construction services. Its projects include highways, railways, docks, airports, power plants, and water treatment facilities. It also undertakes design-build ventures such as hospitals, hotels, commercial centers, sports arenas, and residential spaces. The company was founded by Cesar Mata Pires, Durval Olivieri, and Carlos Suarez in 1976, and is headquartered in Sao Paulo, Brazil.

OAS Restructuring (BVI) Ltd. provides construction services. The company is headquartered in Road Town, British Virgin Islands.

Part of CMP Participaçoes Ltda., OAS Infraestrutura SA operates as an engineering and Brazilian civil construction company. The company is based in Guarulhos, Brazil. The company was founded in 2010. The CEO is Josedir Barreto dos Santos.

Part of Deloitte LLP (New York), Deloitte Touche Tohmatsu Brazil is a Brazilian company that provides accounting services. The company is based in São Paulo, Brazil.

Construtora OAS SA provides construction services. The company was founded on December 28, 1976 and is headquartered in Sao Paulo, Brazil.

Part of PricewaterhouseCoopers International Ltd., PricewaterhouseCoopers Brasil Ltda. The company is based in Barueri, Brazil. is a Brazilian company that provides professional services, mainly assurance, tax, and advisory services.