Keith Acker

SESI Holdings, Inc. engages in the provision of oilfield services and equipment. It operates through the following segments: Drilling Products and Services, Onshore Completion and Workover Services, Production Services, and Technical Solutions. The Drilling Products and Services segment provides downhole drilling tools and surface rentals. The Onshore Completion and Workover Services segment offers pressure pumping, fluid management and workover services. The Production Services segment consists of intervention services. The Technical Solutions segment involves the products and services that address customer-specific needs with applications which typically require engineering, manufacturing, or project planning. The company was founded by Terence E. Hall in 1989 and is headquartered in Houston, TX.

Energy XXI (Bermuda) Ltd. operates as an independent oil and natural gas exploration and production company. It engages in the business of acquisition, exploration, development and operation of oil and natural gas properties. The company was founded by John D. Schiller Jr. and David W. Griffin in June 2005 and is headquartered in Hamilton, Bermuda.

Altec, Inc. provides integrated document management solutions. It offers Doc-link, which enables companies to capture, archive, workflow, route structured, and unstructured documents to customers, employees, and vendors. The firm also provides business process consulting, upgrade, product education, workflow design review and expansion, and annual systems review services. The company was founded by Mark Tague in 1985 and is headquartered in Laguna Hills, CA.

Society of Petroleum Engineers, Inc. provides petroleum engineering services. The non-profit company is based in Allen, TX and has subsidiaries in United States, India and Canada.

Louisiana Oil & Gas Association provides exploration, production and oilfield services. The company was founded in 1992 and is headquartered in Baton Rouge, LA.

Sigma-Aldrich RTC, Inc. is engaged in the manufacture and distribution of Certified Reference Materials (CRMs), Quality Control (QC) Samples, and Proficiency Testing (PT) Samples. Its products include calibration standards, DMRQA 32, environmental reference materials, fine chemicals, forensic standards, IRMM, microbiologicals, NIST, proficiency testing, water matrix modifiers and XRF reference materials. The firm caters to the environmental and pharmaceutical sectors. The company was founded in 1988 and is headquartered in Laramie, WY.