Companhia Distribuidora de Gás do Rio de Janeiro - CEG engages in the distribution of natural gas and its byproducts in Brazil. The company operates through Residential, Commercial, Industrial, Thermoelectric, Automotive, and Construction segments. It offers piped gas, compressed natural gas, and natural gas vehicles, as well as equipment related to heaters and accessories. The company also provides construction, distribution, and maintenance services. It serves residential, commercial, and industrial customers in Rio de Janeiro, Belford Roxo, Duque de Caxias, Guapimirim, Itaboraí, Itaguaí, Japeri, Magé, Mangaratiba, Maricá, Nilópolis, Niterói, Nova Iguaçu, Paracambi, Queimados, São Gonçalo, Tanguá, Seropédica, and São João de Meriti. The company was formerly known as Companhia Estadual de Gás and changed its name to Companhia Distribuidora de Gás do Rio de Janeiro - CEG in 1998. The company was founded in 1854 and is headquartered in Rio de Janeiro, Brazil. Companhia Distribuidora de Gás do Rio de Janeiro - CEG is a subsidiary of Gas Natural Fenosa.