Gregory C. Wallace

SemGroup LP is a company that moves energy safely through a network of pipelines, terminals and storage tanks. Each step the company take demonstrates the vast experience of their employees, their dedication to add value to their customers’ business, and their desire to bolster the relationships. Founded in 2000, their newly reorganized company purchases, sells, processes, transports, and stores energy including crude oil, natural gas, natural gas liquids, asphalt and refined products. Their family of companies is fully operational and has financing firmly in place. All divisions are committed to a “zero incident” culture, with employees working to keep the public, and each other, safe.

BlueKnight Energy Partners LP engages in the operation of independent asphalt facilities. It provides integrated terminalling services for companies engaged in the production, distribution, and handling of liquid asphalt. The company was founded on February 22, 2007 and is headquartered in Tulsa, OK.

Anchor Drilling Fluids USA LLC operates as an independent drilling fluids company. The firm also offers production chemicals, fluid engineering, and logistics services. The company was founded on May 14, 1984 and is headquartered in Tulsa, OK.

Part of Vitol Holding II SA, SemGroup Energy Partners GP LLC operates crude oil assets. The company is based in Tulsa, OK. SemGroup Energy Partners GP was acquired by Vitol, Inc. from SemGroup LP on November 24, 2009.