Len Hesseltine

Ceritas Energy LLC owns and operates pipelines and processing facilities. The company was founded in 2003 and is headquartered in Houston, TX.

Ceritas Energy II LLC engages in the exploration of oil and gas. It focuses on development, acquisition, installation, construction, and safe operation of a diversified portfolio of midstream energy assets. The firm provides recycled CO2 processing, crude oil and condensate, and natural gas and natural gas liquids services. The company was founded in February 2008 and is headquartered in Houston, TX.

Part of Targa Resources Corp., Dynegy Midstream Service LP is a company that provides natural gas gathering and processing services. The company is based in Houston, TX. Dynegy Midstream Service was acquired by TRI Resources, Inc. from Dynegy, Inc. /Old/ on October 31, 2005 for $2,400 million.

Enron Corp. provides energy related services

Gulf Oil LP operates as a wholesaler of refined petroleum products. It offers heating oil, diesel fuel, kerosene, premium dieselect, and gasoline products. It also produces a line of lubricants, including motor oils and specialty products, such as turbine oils, transformer oils, roll oils, textile oils, paper machine lubricants, steam cylinder lubricants, zinc-free oils, two-cycle oils, antifreeze products, and chain saw oils. The company was founded in 1901 and is headquartered in Framingham, MA.