The leading global oil, gas, and energy engineering, procurement, and construction (EPC) companies include massive multinational contractors such as Saipem, Technip Energies, McDermott International, Worley, Petrofac, TechnipFMC, Fluor Corporation, Bechtel, Chiyoda Corporation, and JGC Holdings Corporation. These industry giants manage multi-billion-dollar infrastructure developments spanning offshore platforms, refineries, and pipelines.