Semgroup handles more than 500, 000 barrels of crude oil a day in the U.S., operates two pipeline systems and has 6.7 million barrels of oil storage capacity.

FORBES

Associated with LOOP are Clovelly Dome, a 40-million-barrel salt cavern storage facility, and the Capline pipeline, which is the largest pipeline system delivering crude oil from the Gulf Coast to the Midwest.

FORBES: Gustav Rides Louisana's Energy Highway