Thomas Langford

Consolidated Contractors Co. provides engineering and construction services. The company's services include project management, procurement, and construction services. It also offers construction of petrochemical plants and refineries, oil loading, off-loading terminals, storage facilities, and industrial plants. The firm was founded by Kamel Abdul-Rahman, Hasib Sabbagh, and Said Khoury in 1952 and is headquartered in Athens, Greece.

PricewaterhouseCoopers LLC provides assurance, tax and advisory services. Its services include audit and assurance, consulting, deals, human resources, legal, tax, and family business. The firm also offers accountability, risk management, structuring, mergers and acquisitions, and performance and process improvement. The company was founded in 1998 and is headquartered in Buffalo, NY.

Stone & Webster, Inc. provides engineering, construction, consulting and related services. The company clients include petrochemical, refining, power, industrial and governmental sectors. The company was founded in 1889 by Charles Augustus Stone and Edwin Sibley Webster. It is headquartered in Stoughton, MA.

Palestine Power Generating Co. PLC develops power plants to generate electricity. It operates power plants that run on natural gas. The company was founded in 2010 and is headquartered in Ramallah, Palestine.