Abengoa, S.A. was a Spanish multinational company in the green infrastructure, energy and water sectors. The company was founded in 1941 by Javier Benjumea Puigcerver and José Manuel Abaurre Fernández-Pasalagua, and was based in Seville, Spain. Its current chairman is Gonzalo Urquijo Fernández de Araoz. After repeated bankruptcies and rescues, it declared insolvency in February 2021 amid various regulatory and financial charges against the board and management, the second-largest corporate collapse in Spanish history.

Bechtel Corporation is an American engineering, procurement, construction, and project management company founded in San Francisco, California in 1898, and headquartered in Reston, Virginia. As of 2022, the Engineering News-Record ranked Bechtel as the second largest construction company in the United States, following Turner Construction.