Take context from the input text and decide on the accurate relationship between 'ENGIE' and 'SUEZ' from the options provided.
Options: location of formation, founded by, creator, headquarters location

In Brazil's 13th Bid Round held on October 7, 2015, Alvopetro, in partnership with ENGIE (GDF SUEZ E&P Brasil Participações Limitada), was the successful bidder on four blocks, all located in the Recôncavo Basin, onshore Brazil.
founded by