Energy Transfer Partners

Severn Trent Services specializes in water and wastewater technology, operations and analytical services. Based in Kingwood, Texas, the firm offers products, such as wastewater arsenic removal, ballast water treatment systems, gas chlorinators, on-site hypochlorite generators and water/wastewater ultraviolet disinfection products. It supplies products under its brands, including Advance PDS Precision Dosing System, LiquidChem Chiller, Capital Controls and Higgins Loop. In addition, Severn Trent Services operates Severn Trent Laboratories that renders solutions in water, land and waste analysis across the United Kingdom.

Hess is engaged in the exploration for and production of crude oil and natural gas, as well as in refining and marketing refined petroleum products, natural gas and electricity.

Operational for more than 25 years, Kelman Technologies serves the oil and gas exploration companies by providing technology and proprietary software solutions for a variety of seismic data processing and management problems. The company has a staff of trained professionals who offer depth imaging, networking and analysis of seismic data services. It provides land, marine, transition zone and ocean bottom cable processing cable processing services. Kelman Technologies data management and archives division offers online data storage and retrieval services. The company provides database management, data recovery and technical support services. In addition, it offers mapping, graphics, 24-hour access and data retrieval and nonpropriety transcription services.