Blue Dolphin Energy Co. is an independent downstream energy company, which engages in refining and marketing petroleum products in the Gulf Coast region of the United States. It operates through the Refinery Operations, Tolling and Terminaling Operations segments. The Refinery Operations segment refines and markets petroleum products. The Tolling and Terminaling Operations segment relates to tolling and storage Terminaling services under third party lease agreements. The company was founded in 1986 and is headquartered in Houston, TX.