Walmart Brasil, the operating company, has its head office in Barueri, São Paulo State, and regional offices in Curitiba, Paraná; Porto Alegre, Rio Grande do Sul; Recife, Pernambuco; and Salvador, Bahia.[204] Walmart Brasil operates under the banners Todo Dia, Nacional, Bompreço, Walmart Supercenter, Maxxi Atacado, Hipermercado Big, Hiper Bompreço, Sam's Club, Mercadorama, Walmart Posto (Gas Station), Supermercado Todo Dia, and Hiper Todo Dia.[2][3] Recently, the company started the conversion process of all Hiper Bompreço and Big stores into Walmart Supercenters and Bompreço, Nacional and Mercadorama stores into the Walmart Supermercado brand.