A sustaining member is a corporation or business entity actively engaged in producing oil and natural gas in South Texas.
Benefits:
• Seat on board of directors
• Representation on all committees (Stakeholder Relations, Communications, HSE, Water Sustainability, Operations)
• Networking opportunities
• Invitation to STEER annual events with preferred seating when applicable
• Access to monthly reports
• Company profile on STEER.com
• Logo displayed on website and all marketing materials
ANADARKO
Anadarko Petroleum Corporation’s mission is to deliver a competitive and sustainable rate of return to shareholders by exploring for, acquiring and developing oil and natural gas resources vital to the world’s health and welfare. As of year-end 2015, the Company had approximately 2.06 billion barrels of oil equivalent of proved reserves making it among the largest independent oil and natural gas exploration and production companies in the world. The Company’s portfolio of assets encompasses premier positions in the U.S. onshore and deepwater Gulf of Mexico, with additional exploration or production in Africa, South America, and New Zealand.
In Southwest Texas, Anadarko is among the largest producers in the Eagle Ford Shale. Since beginning operations in 2009, the Company and its partners have made significant investments in Dimmit, LaSalle, Maverick and Webb Counties where Anadarko produces oil and natural gas. Anadarko is committed to producing energy resources in a manner that protects Texas’ natural resources and is committed to the shared prosperity of its communities. As such, Anadarko’s Eagle Ford asset team has actively partnered with area schools to nurture science, technology, engineering and math (STEM) education, while also promoting health and safety through programs like the SAYES Academy and LiveSafe Rallies.
To learn more about how Anadarko is safely developing essential energy resources from the Eagle Ford Shale and other parts of the world, visit www.anadarko.com/texas or www.youtube.com/anadarkotv.
BHP BILLITON
BHP Billiton’s Petroleum Business has exploration, development, production and marketing activities in more than a dozen countries around the globe, with a significant position in the deep-water Gulf of Mexico, Onshore U.S. and Australia. Petroleum also operates assets in Trinidad and Tobago and Pakistan.
In Financial Year 2013, we completed the integration of our Shale business and built a powerful platform for the future. The unprecedented activity in Shale drilling drove production growth. Our Conventional operations continued to post strong earnings that provide the stable underpinning for future growth. Moving forward, we are focused on boosting productivity and profitability throughout Petroleum. By building on the lessons learned during the past two years in Shale, we will increase value and grow our business. The Petroleum Business contributed 28 percent of the corporation’s EBIT in FY2013.
We are committed to becoming the safest oil and gas company in the industry and work relentlessly to improve safety processes to protect our most valuable asset — our people.
For more information, visit www.bhpbilliton.com.
CHESAPEAKE ENERGY CORPORATION
Chesapeake Energy Corporation is the second-largest producer of natural gas, a Top 15 producer of oil and natural gas liquids and the most active driller of new wells in the United States. Headquartered in Oklahoma City, the Company’s operations are focused on discovering and developing unconventional natural gas and oil fields onshore in the United States. Chesapeake owns leading positions in the Eagle Ford, Utica, Granite Wash, Cleveland, Tonkawa, Mississippi Lime and Niobrara unconventional liquids plays and in the Marcellus, Haynesville/Bossier and Barnett unconventional natural gas shale plays.
Much of Chesapeake’s Eagle Ford acreage is located in Dimmit, Frio, LaSalle, McMullen, Webb and Zavala counties in the oil and wet gas, or liquids rich, windows of the shale play. Oil and natural gas drilling in the Eagle Ford Shale became economically feasible for development when advanced drilling and completion techniques, such as horizontal drilling coupled with hydraulic fracturing, were developed. Chesapeake wells in the Eagle Ford Shale range in depth from approximately 6,000 to 10,500 feet below the surface.
The Company also owns substantial marketing and oilfield services businesses through its subsidiaries Chesapeake Energy Marketing, Inc. and Chesapeake Oilfield Operating, L.L.C. . More information is available at www.chk.com where Chesapeake routinely posts announcements, updates, events, investor information, presentations and news releases.
CONOCOPHILLIPS
ConocoPhillips is the world’s largest independent exploration and production company, based on proved reserves and production of liquids and natural gas. The company explores for, develops and produces crude oil and natural gas globally.
Headquartered in Houston, Texas, ConocoPhillips has operations in 21 countries. Its portfolio includes legacy assets in North America, Europe, Asia and Australia and a growing North American shale businesses.
For more information, visit http://www.conocophillips.com.
DEVON ENERGY 
Devon Energy Corporation is a leading independent oil and natural gas exploration and production company with operations focused onshore in the United States and Canada. The company’s portfolio of oil and gas properties provides stable, environmentally responsible production and a platform for future growth. Devon has nearly doubled its onshore North American oil production since 2008 and has a deep inventory of development opportunities to deliver future oil growth. Devon also produces about 2.6 billion cubic feet of natural gas a day — more than 3 percent of all the gas consumed in North America.
Devon recently acquired GeoSouthern Energy’s assets in the Eagle Ford Shale. Devon’s new assets include 82,000 net acres with current production of 53,000 barrels of oil equivalent (BOE) per day. Devon’s Eagle Ford acreage is located in DeWitt and Lavaca counties and is largely contiguous, with most of the position held by production. Devon brings to the Eagle Ford technical expertise and project management experience that is expected to optimize the value of these assets through improved recoveries and reduced costs.
Headquartered in Oklahoma City, Devon is a Fortune 500 company and is included in the S&P 500 Index. Its common shares trade on the New York Stock Exchange under the ticker symbol DVN. Devon has been listed in Fortune Magazine’s Best Companies to Work For since 2008 and on Bloomberg’s The Civic 50 list of top community-minded businesses since 2013.
For more information, visit www.devonenergy.com.
ENCANA
Encana Corporation is a leading North American energy producer that is focused on developing its strong portfolio of resource plays, held directly and indirectly through its subsidiaries, producing natural gas, oil and natural gas liquids (NGLs). By partnering with employees, community organizations and other businesses, Encana contributes to the strength and sustainability of the communities where it operates. Encana common shares trade on the Toronto and New York stock exchanges under the symbol ECA.
For more information, visit www.encana.com.
EnerVest
EnerVest is a top-25 independent oil and gas exploration and production company. It focuses its operations in onshore basins in the continental United States, and grows through both acquisitions and drilling. The company’s strategy is to build large core positions to better leverage its size and gain operational efficiencies. EnerVest entered the Eagle Ford Shale in Karnes County in December 2015, and subsequently made additional acquisitions in Karnes County in 2016.
At year-end 2015, EnerVest operated 33,000 wells in 15 states with reserves of 9.4 TCFE. The company is headquartered in Houston and is the sixth largest gas producer in Texas.
For more information, visit https://www.enervest.net.
EOG 
RESOURCES, INC.
EOG Resources, Inc. is one of the largest independent (non-integrated) crude oil and natural gas companies in the United States with proved reserves in the United States, Canada, Trinidad, the United Kingdom, Argentina and China.
At December 31, 2012 EOG’s estimated net proved reserves were 1,811 million barrels of oil equivalent, of which 701 million barrels were crude oil and condensate reserves, 320 million barrels were natural gas liquids reserves and 4,740 billion cubic feet, or 790 million barrels of oil equivalent, were natural gas reserves. Approximately 92 percent of these reserves on a crude oil equivalent basis were located in the United States, 6 percent were in Trinidad and 2 percent were in Canada. At yearend 2012, EOG had approximately 2,650 employees.
For more information, visit http://www.eogresources.com/.
MARATHON OIL
Marathon Oil Corporation is an independent international exploration and production company. Based in Houston, Texas, Marathon Oil had net proved reserves at the end of 2012 of 2 billion barrels of oil equivalent in North America, Europe and Africa.
In South Texas, Marathon Oil has a major leasehold position in the core of the Eagle Ford Shale formation. The Company holds approximately 230,000 net acres in the core of the Eagle Ford with its activity focused on Atascosa, DeWitt, Gonzales, Karnes and Wilson counties. For more information, please http://www.marathonoil.com or one of the social media links below.
- https://twitter.com/marathonoil
- http://www.youtube.com/marathonoilcorp
- http://www.linkedin.com/company/6631
- http://www.flickr.com/photos/marathonoilcorp
MURPHY OIL
Murphy Oil Corporation, headquartered in El Dorado, Arkansas, is a worldwide oil and gas exploration and production company.
The Company produces oil and natural gas in the United States, Canada, the United Kingdom, Malaysia, and Republic of the Congo, and conducts exploration activities worldwide. Murphy Oil Corporation also owns marketing operations in the United States and the United Kingdom, including a refinery in Milford Haven, Wales.
For more information, visit http://www.murphyoilcorp.com/.
PIONEER NATURAL RESOURCES
Pioneer Natural Resources is a large independent oil and natural gas exploration and production company headquartered in Irving, Texas. Pioneer employs nearly 4,000 people and produces approximately 160,000 barrels of oil equivalent per day. All of Pioneer’s operating areas are located in United States.
Pioneer is one of the most active drillers in Texas’ Eagle Ford Shale play in South Texas as well as in the Spraberry/Wolfcamp field in the Permian Basin. The Company is one of the largest natural gas producers in the Rockies and Mid-Continent regions, and its operations also include ongoing drilling programs in Texas’ Barnett Shale Combo play and in Alaska’s Oooguruk field. The Company’s foundation of long-lived and stable properties makes it an industry leader in developing new resource plays and delivering strong, consistent economic benefits to investors and community members alike.
With operations in both the Eagle Ford Shale and the Edwards Reef Trend, Pioneer has served as a driving force in the South Texas economy and has created valuable partnerships with community organizations and institutions. Pioneer’s corporate focus for charitable giving is on youth and education. The Company’s employees actively volunteer in charitable endeavors across the region, and it is Pioneer’s hope that the impact the Company has is both meaningful and long-lasting. Pioneer’s focus on industry-leading sustainable development efforts, as well as maintaining a deep sense of accountability for its decisions, actions and attitudes shows the Company’s dedication to community wellbeing and success.
For more information, visit www.pxd.com.
SM ENERGY
Since its inception in 1908, SM Energy Company has evolved from a land holding corporation into an exploration and production company with active plays throughout North America, including the Eagle Ford Shale in South Texas. SM Energy’s operations in Texas account for nearly 70 percent of the company’s total production, most of which is from its core Eagle Ford position in Webb and Dimmit Counties. Headquartered in Denver, it has regional offices in Midland and Houston, as well as Tulsa and Billings, and employs more than 900 people.
SM Energy is a company with a longstanding principled approach to doing business. Our company values drive our behavior – building open, honest and transparent relationships with our stakeholders. As an independent exploration and production company with operations across North America, it is our above-ground assets – our people – who set us apart from other companies.
We are passionate about what we do and committed to doing our jobs the right way. That means we focus on operating every job site safely and in a manner that respects the environment and minimizes our footprint. We treat people the way we want to be treated – fairly, and with respect.
For more information, visit www.sm-energy.com.
STATOIL
Statoil is an international energy company with operations in 36 countries. Building on 40 years
of experience from oil and gas production on the Norwegian continental shelf, Statoil is committed to accommodating the world’s energy needs in a responsible manner, applying technology and creating innovative business solutions. Statoil is headquartered in Norway with 21,000 employees worldwide.
In North America, Statoil is established with US offices in Houston and Austin, Texas; Stamford, Connecticut; Washington, DC; and Anchorage, Alaska; and Canadian offices in Calgary, Alberta; St Johns, Newfoundland; and Labrador. For more information, visit www.statoil.com.