Steven M. Bradshaw

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.

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

Skaugen PetroTrans, Inc. provides lightering services. It operates a fleet of Aframax tankers and lightering support vessels. The firm has operations in Gulf of Mexico, the Mediterranean, the US Atlantic Coast, US Pacific Coast and the Persian Gulf. The company was founded in 2002 and is headquartered Houston, TX.

Quest Midstream Partners LP operates a gas gathering system and transportation pipelines in Cherokee Basin located in 15 counties of southeastern Kansas and northeastern Oklahoma. The company's pipeline network provides connections to both intrastate and interstate delivery pipelines. It was founded in December 2006 and is headquartered in Oklahoma City, OK.

Premium Drilling, Inc. operates as an offshore drilling contractor. The company provides jack-up drilling services to the oil and gas industry in the United States and internationally. The company was founded in 2005 and is headquartered in Houston, TX.

Global Logistics Solutions provides shipping, warehousing, and logistics services. The private company is based in South Dennis, MA.

Part of Blueknight GP Holding LLC, Blueknight Energy Partners GP LLC is a private company that provides transportation services. The company is based in Tulsa, OK.