Oil Refining Companies Hiring Now

Greek energy group refining crude oil and trading petroleum products, with Avin and Coral retail networks, renewables, power and mobility activities.

Oil refinery processing light sweet paraffinic crude to produce waxes, lubricant base oils, fuels, solvents, and specialty industrial blends.

Valero manufactures and markets transportation fuels and petrochemicals, operating 14 refineries in the U.S., Canada and the UK plus corn ethanol, renewable die…