category

2024-2025 Term

NPC Membership by Category
Categories are listed by principal function

Category
Number of Members
Integrated, Refining and Oil & Gas Production Companies
      Integrated Companies and Independent Refiners
14
      Larger Independent Producers
19
      Smaller Independent Producers
22
Midstream and Retail Oil & Gas Companies
26
Support Service Companies
      Construction, Drilling, and Oilfield Services
22
      Financial and Consultant Services
35
Electric Companies and Other Large Consumers
22
Non-Industry and Not-For-Profit Members
45
Total
205

by Organization | by Name

INTEGRATED, REFINING AND OIL & GAS PRODUCTION COMPANIES

Integrated Companies and Independent Refiners
bp America Inc.
Houston, Texas		 Orlando A. Alvarez
Chairman and President

Chevron Corporation
Houston, Texas
 Michael K. Wirth
Chairman of the Board and Chief Executive Officer

Equinor Exploration and Production International
Houston, Texas
 Christopher L. Golden
U.S. Country Manager

Exxon Mobil Corporation
Spring, Texas		 Darren W. Woods
Chairman, President and Chief Executive Officer

HF Sinclair Corporation
Dallas, Texas 
Timothy Go
President and Chief Executive Officer

Hunt Consolidated, Inc.
Dallas, Texas
Ray L. Hunt
Executive Chairman

Hunt Energy, LLC
Dallas, Texas
Hunter L. Hunt
Chairman and Chief Executive Officer

Marathon Petroleum Corporation
Findlay, Ohio 
Maryann T. Mannen
President and Chief Executive Officer

Phillips 66 Company
Houston, Texas          		Mark E. Lashier
Chairman and Chief Executive Officer

Repsol
Madrid, Spain		 J. Jon Imaz
Chief Executive Officer

Shell USA, Inc.
Houston, Texas		 Gretchen H. Watkins
President

TotalEnergies, S.E.
Paris, France
 Patrick Pouyanné
Chairman and Chief Executive Officer

Valero Energy Corporation
San Antonio, Texas

R. Lane Riggs
Chief Executive Officer and President

Larger Independent Producers

APA Corporation
Houston, Texas 
John J. Christmann IV
Chief Executive Officer and President

Arena Energy, LLC
The Woodlands, Texas 
Michael Vallejo
President and Chief Financial Officer

Berry Corporation
Dallas, Texas 
Fernando Araujo
Chief Executive Officer

California Resources Corporation
Long Beach, California
 Francisco J. Leon
President and Chief Executive Officer

Chord Energy Corporation
Houston, Texas
 Daniel E. Brown
President and Chief Executive Officer

Comstock Resources, Inc.
Frisco, Texas  		M. Jay Allison
Chairman and Chief Executive Officer

ConocoPhillips Company
Houston, Texas          		Ryan M. Lance
Chairman and Chief Executive Officer

Devon Energy Corporation
Oklahoma City, Oklahoma
J. Larry Nichols
Chairman Emeritus

Diversified Energy Company PLC
Birmingham, Alabama
 Rusty Hutson Jr.
Co-Founder and Chief Executive Officer

EOG Resources, Inc.
Houston, Texas
Ezra Y. Yacob
Chairman and Chief Executive Officer

EQT Corporation
Pittsburgh, Pennsylvania
 Toby Z. Rice
President and Chief Executive Officer

Expand Energy Corporation
Oklahoma City, Oklahoma
 Domenic J. Dell’Osso, Jr.
President and Chief Executive Officer

Hess Corporation
New York, New York
 John B. Hess
Chief Executive Officer

Hilcorp Energy Company
Houston, Texas
Jeffery D. Hildebrand
Executive Chairman and Founder

Murphy Oil Corporation
Houston, Texas
 Roger W. Jenkins
Non-Executive Advisor

Occidental Petroleum Corporation
Houston, Texas 		Vicki A. Hollub
President and Chief Executive Officer

Talos Energy Inc.
Kingwood, Texas		 Timothy S. Duncan
Former President and Chief Executive Officer

Woodside Energy Group Ltd.
Perth, Western Australia		 Meg E. O’Neill
Chief Executive Officer and Managing Director

Smaller Independent Producers
Andress Oil & Gas Company LLC
Houston, Texas
 Thurmon M. Andress
President

Armstrong Energy Corporation
Roswell, New Mexico
Robert G. Armstrong
Chairman of the Board

Armstrong Oil & Gas, Inc.
Denver, Colorado
 William D. Armstrong
President

Coterra Energy Inc.
Denver, Colorado 		Thomas E. Jorden
Chairman, Chief Executive Officer and President

Custard/Pitts, Inc.
Dallas, Texas
William A. Custard
President

E&B Natural Resources Management
Corporation
Bakersfield, California
Stephen D. Layton
President

Five States Energy Company, LLC
Dallas, Texas		 James A. Gibbs
Chairman

HEYCO Energy Group, Inc.
Dallas, Texas		 George M. Yates
President and Chief Executive Officer

HighPeak Energy, Inc.
Fort Worth, Texas		 Jack D. Hightower
Chairman and Chief Executive Officer

Maguire Oil Company
Dallas, Texas		 Blainey Maguire Hess
President and Chief Executive Officer

Merlin Energy, Inc.
Lafayette, Louisiana 		Mark K. Miller
President

Murphy USA, Inc.
El Dorado, Arkansas
Claiborne P. Deming
Director

Ossian Oil and Gas Resources
Dallas, Texas
 Vaughn O. Vennerberg II
President and Founder

Pitts Oil Company, LLC
Dallas, Texas		 W. Allen Custard, III
President

Quintana Minerals Corporation
Houston, Texas
Corbin J. Robertson, Jr.
Chairman and Chief Executive Officer

Sable Minerals, Inc.
Houston, Texas
James C. Flores
Chairman, Chief Executive Officer and President

Spur Energy Partners LLC
Houston, Texas
 Jay C. Graham
Chief Executive Officer

Strata Production Company
Roswell, New Mexico
Mark B. Murphy
President

Triple Crown Resources, LLC
Dallas, Texas
 Ryan S. Keys
Co-Chief Executive Officer

Troy Energy
Oklahoma City, Oklahoma		 Valerie A. Mitchell
President

Vincent & Company
Houston, Texas		 Bruce H. Vincent
Chief Executive Officer

MIDSTREAM AND RETAIL OIL & GAS COMPANIES
AltaGas Ltd.
Calgary, Alberta
Canada
 Vern D. Yu
President and Chief Executive Officer

Arnold Companies, The
Dallas, Texas
Greg A. Arnold
Chairman and Chief Executive Officer

Atmos Energy Corporation
Dallas, Texas
J. Kevin Akers
President and Chief Executive Officer

Bridger Pipeline LLC
Casper, Wyoming
 H. A. True
Executive Partner and Chief Operating Officer

Buckeye Partners, L.P.
Houston, Texas
 Todd J. Russo
Chief Executive Officer

Cheniere Energy, Inc.
Houston, Texas 
Jack A. Fusco
President and Chief Executive Officer

Colonial Pipeline Company
Alpharetta, Georgia		 Melanie A. Little
President and Chief Executive Officer

Enbridge Inc.
Houston, Texas		 Gregory L. Ebel
President and Chief Executive Officer

Global Partners LP
Waltham, Massachusetts
 Eric S. Slifka
President and Chief Executive Officer

Hightowers Petroleum Co.
Middletown, Ohio
Stephen L. Hightower
President and Chief Executive Officer

International-Matex Tank Terminals
New Orleans, Louisiana
 Carlin G. Conner
Chairman and Chief Executive Officer

Iroquois Pipeline Operating Company
Shelton, Connecticut
 Jeffrey A. Bruner
Retired President

New Jersey Resources Corporation
Wall, New Jersey		 Stephen D. Westhoven
President and Chief Executive Officer

NextDecade Corporation
Houston, Texas 		Matthew K. Schatzman
Chairman and Chief Executive Officer

ONEOK, Inc.
Tulsa, Oklahoma
 Pierce H. Norton II
President and Chief Executive Officer

ONE Gas, Inc.
Tulsa, Oklahoma 
Robert S. McAnnally
President and Chief Executive Officer

Parkland Corporation
Houston, Texas
 Angela D. John
Director and
Director, TETRA Technologies, Inc.

Plains All American Pipeline, L.P.
Houston, Texas
Greg L. Armstrong
Co-Founder and Retired Chairman
and Chief Executive Officer

Plains All American Pipeline, L.P.
Houston, Texas
W. C. W. Chiang
Chairman and Chief Executive Officer

SeaOne Holdings, LLC
Dallas, Texas
 Forrest E. Hoglund
Chairman and Chief Executive Officer

Southern California Gas Company
Los Angeles, California 
Maryam S. Brown
President and Chief Executive Officer

Southern Company Gas
Atlanta, Georgia		 James Y. Kerr II
Chairman, President and Chief Executive Officer

Sprague Resources LP
Portsmouth, New Hampshire		 David C. Glendon
President and Chief Executive Officer

TC Energy Corporation
Calgary, Alberta, Canada
François L. Poirier
President and Chief Executive Officer

Tellurian Inc.
Houston, Texas
Martin J. Houston
Former Executive Chairman

Williams Companies, Inc., The
Tulsa, Oklahoma
 Alan S. Armstrong
President and Chief Executive Officer

SUPPORT SERVICE COMPANIES

Construction, Drilling, and Oilfield Services
Ariel Corporation
Mount Vernon, Ohio
 Alex W. Wright
Chief Executive Officer and President

Baker Hughes Company
Houston, Texas
Lorenzo Simonelli
Chairman and Chief Executive Officer

Bechtel Energy, Inc.
Houston, Texas 
Paul D. Marsden
President, Energy

Burns & McDonnell Engineering Company, Inc.
Houston, Texas
 Leslie M. Duke
Chair and Chief Executive Officer

Caterpillar Inc.
Irving, Texas
 D. James Umpleby III
Chairman of the Board and Chief Executive Officer

Chart Industries, Inc.
The Woodlands, Texas
 Jillian C. Evanko
President and Chief Executive Officer

Fluor Corporation
Irving, Texas
David E. Constable
Chairman and Chief Executive Officer

Halliburton Company
Houston, Texas		 Jeffrey A. Miller
Chairman, President and Chief Executive Officer

Helmerich & Payne, Inc.
Tulsa, Oklahoma  		Randy A. Foutch
Lead Independent Director

Heritage Group, The
Indianapolis, Indiana 		Amy M. Schumacher
Chief Executive Officer

Kirby Corporation
Houston, Texas		 David W. Grzebinski
President and Chief Executive Officer

Murfin Drilling Co., Inc.
Wichita, Kansas
David L. Murfin
President

Nine Energy Service, Inc.
Houston, Texas 
Ann G. Fox
President and Chief Executive Officer

NOV Inc.
Houston, Texas
Clay C. Williams
Chairman, President and Chief Executive Officer

Oceaneering International, Inc.
Houston, Texas
Roderick A. Larson
President and Chief Executive Officer

Oil States International, Inc.
Houston, Texas 
Cindy B. Taylor
Chief Executive Officer and President

Parker Wellbore
Houston, Texas 
Alexander Esslemont
President and Chief Executive Officer

SLB
Houston, Texas
 Olivier Le Peuch
Chief Executive Officer

TechnipFMC plc
Houston, Texas
 Douglas J. Pferdehirt
Chairman and Chief Executive Officer

Tenaris Global Services
Houston, Texas		 Roberto E. De Hoyos
Vice President of Public Affairs

Tubular Synergy Group
Dallas, Texas
W. Byron Dunn
Founding Partner and Chief Executive Officer

Financial and Consultant Services
3P Energy Capital
Southlake, Texas 
Christina V. Kitchens
Managing Partner

Advanced Resources International, Inc.
Arlington, Virginia
 Vello A. Kuuskraa
Presidentt

Alpha Generation, LLC
Houston, Texas
 Mary Anne Brelinsky
President and Chief Commercial Officer

Anderson Stratton Enterprises, LLC
Washington, D.C.
 Vicky A. Bailey
President

Artemis Energy Partners
Houston, Texas 		Robert B. Tudor, III
Chief Executive Officer

Boston Consulting Group, The
Washington, D.C.		 J. Robinson West
Chairman Emeritus
Center for Energy Impact

Carbonvert
Denver, Colorado
Alex Tiller
Chief Executive Officer and President

Cenergy International Services, Inc.
Houston, Texas
Anastacia B. Warunek
Executive Vice President of Global Business

ClearView Energy Partners, LLC
Washington, D.C.      
Kevin D. Book
Managing Director, Research

DeGolyer and MacNaughton
Dallas, Texas
John W. Wallace
Chairman and Chief Executive Officer

Deloitte LLP
Houston, Texas		 John W. England
Partner
Global Sector Leader – Oil, Gas & Chemicals

EnCap Investments L.P.
Dallas, Texas
David B. Miller
Founding Partner

EnerVest, Ltd.
Houston, Texas
John B. Walker
Executive Chairman

FACTS Global Energy
Honolulu, Hawaii		 Fereidun Fesharaki
Chairman

Gee Strategies Group LLC
Falls Church, Virginia		 Robert W. Gee
President

Goldman, Sachs & Co. LLC
Houston, Texas		 Suhail A. Sikhtian
Global Head, Natural Resources Group

GVP Climate, LLP
Nevada, Iowa  		Cynthia J. Warner
Senior Operating Partner

J.P. Morgan Securities LLC
Houston, Texas
William Paschall Tosch
Vice Chairman, Global Energy Investment Banking

 
Kayrros SAS
Davenport, Florida
Andrew Gould
Advisory Board Chairman

KPMG LLP
Houston, Texas
 Angie Gildea
U.S. Sector Leader –
   Energy, Natural Resources and Chemicals

McKinsey & Company, Inc.
Houston, Texas
Filipe Barbosa
Senior Partner

MCL Ventures, LLC
Santa Barbara, California		 Michael C. Linn
President and Chief Executive Officer

Offshore Inspection Group, Inc.
Houston, Texas 
Kelly R. McClelland
Chairman, Chief Executive Officer
   and President

Quantum Capital Group
Houston, Texas
Charles D. Davidson
Partner

RBC Capital Markets Corporation
New York, New York
 Helima L. Croft
Head of Global Commodity Strategy
  and MENA Research
Global Research

RBN Energy, LLC
Houston, Texas		 E. Russell Braziel
Executive Chairman

S&P Global Corporation
Washington, D.C. 		Daniel H. Yergin
Vice Chairman

Sultan Global Group
Sugar Land, Texas 		 Saadia G. Sultan
Founder and Managing Partner

Terra Piniun, LLC
Chickaloon, Alaska		 Corri A. Feige
President and Principal

Tessellation Services, LLC
Houston, Texas		 James T. Hackett
President

Tudor, Pickering, Holt & Co., LLC
Houston, Texas
Chad Michael
Partner and President

Navajo Nation Oil and Gas Company
St. Michaels, Arizona 
William D. McCabe
Vice President, Navajo Petroleum

Veriten LLC
Houston, Texas 		Arjun N. Murti
Partner, Energy Macro and Policy

Warwick Investment Group LLC
Oklahoma City, Oklahoma 
Kate Richard
Founder, Chief Executive Officer and
   Co-Chief Investment Officer

White Interests
Houston, Texas
William H. White
Principal

Wood Mackenzie Inc.
New York, New York
Edmund Crooks
Vice-Chair, Americas

WZI Inc.
Bakersfield, California
 Mary Jane Wilson
President and Chief Executive Officer

ELECTRIC COMPANIES AND OTHER LARGE CONSUMERS
Air Liquide Group
Houston, Texas
 Adam B. Peters
Chief Executive Officer
Air Liquide North America
Vice President and Executive Committee Member

Air Products and Chemicals, Inc.
Allentown, Pennsylvania
 Seifi Ghasemi
Chairman, President and Chief Executive Officer

Bristow Group Inc.
Houston, Texas
 Elizabeth A. Matthews
Senior Vice President, General Counsel,
   Head of Government Affairs and
   Corporate Secretary

CarbonFree
San Antonio, Texas
J. Martin Keighley
Chief Executive Officer

CEMEX USA
Houston, Texas 
Jaime Muguiro
President – USA

Delta Air Lines, Inc.
Atlanta, Georgia
 Edward H. Bastian
Chief Executive Officer

Electric Power Research Institute
Charlotte, North Carolina  		Neva Espinoza
Vice President
Energy Supply and Low-Carbon Resources

Entergy Corporation
New Orleans, Louisiana		 Andrew S. Marsh
Chairman and Chief Executive Officer

Exelon Corporation
Chicago, Illinois 		Calvin G. Butler, Jr.
President and Chief Executive Officer

FirstEnergy Corp.
Akron, Ohio
 Torrence L. Hinton
President, Ohio

GTI Energy
Des Plaines, Illinois		 Paula A. Gant
President and Chief Executive Officer

HIF Global
Houston, Texas		 Meg A. Gentle
Managing Director

Kanata Clean Power and
  Climate Technologies Corp.
Calgary, Alberta 
Canada		 Robert F. Delamar
Chief Executive Officer and Co-Founder

Lubrizol Corporation, The
Wickliffe, Ohio		 Rebecca B. Liebert
President and Chief Executive Officer

NextEra Energy, Inc.
Juno Beach, Florida		 John W. Ketchum
Chairman, President and Chief Executive Officer

NiSource Inc.
Columbus, Ohio 		Lloyd M. Yates
President and Chief Executive Officer

NRG Energy, Inc.
Houston, Texas
Elizabeth R. Killinger
Former President
NRG Home and Reliant

PNM Resources, Inc.
Albuquerque, New Mexico
 Patricia K. Vincent-Collawn
Chairman and Chief Executive Officer

Siemens Energy, Inc.
Orlando, Florida
 Richard Voorberg
President, North America

Talen Energy Corporation
The Woodlands, Texas		 Mark A. McFarland
President and Chief Executive Officer

NON-INDUSTRY AND NOT-FOR-PROFIT MEMBERS
Adamantine Energy LLC
Boulder, Colorado
 Tisha Conoly Schuller
Chief Executive Officer and Founding Principal

Alliance to Save Energy
Washington, D.C.		 Paula R. Glover
President

ALLY Energy
Houston, Texas		 Katie Mehnert
Founder and Chief Executive Officer

American Association of Blacks in Energy
Washington, D.C.  		Ralph Cleveland
President and Chief Executive Officer

American Geosciences Institute
Boston, Massachusetts		 Anna C. Shaughnessy
President

Arctic Slope Regional Corporation
Anchorage, Alaska		 Rex A. Rock, Sr.
President and Chief Executive Officer

Brookings Institution, The
Washington, D.C. 		Samantha J. Gross
Director, Energy Security and Climate Initiative
Fellow, Foreign Policy

C3.ai, Inc.
McLean, Virginia		 Richard G. Newell
Sustainability Solutions and
   Chief Sustainability Officer

Center for Climate and Energy Solutions
Arlington, Virginia  		Nathaniel O. Keohane
President

Center for Climate and Energy Solutions
Arlington, Virginia  		Robert W. Perciasepe
Senior Advisor

Center for Strategic & International Studies
Washington, D.C.
Frank A. Verrastro
Senior Advisor
Energy Security and Climate Change Program

Columbia University
New York, New York
 Jason E. Bordoff
Co-Founding Dean, Columbia Climate School Founding Director, Center on Global Energy Policy Professor of Professional Practice in International
  and Public Affairs,
  School of International and Public Affairs

Cynthia and George Mitchell Foundation, The
Austin, Texas
 Marilu Hastings
Executive Vice President
Director, Mitchell Innovation Lab

Earth X
Dallas, Texas
 Trammell S. Crow
Founder

Energy Council, The
Dallas, Texas
Bert Stedman
Alaska State Senator
Chairman

Environmental Defense Fund
New York, New York 
Mark S. Brownstein
Senior Vice President, Energy Transition

Georgia Institute of Technology
Atlanta, Georgia
Timothy C. Lieuwen
Executive Vice President for Research

Ground Water Protection Council, The
Oklahoma City, Oklahoma
 Danial D. Yates
Executive Director

Hispanics in Energy
Sacramento, California 		José L. Pérez
President and Chief Executive Officer

Interstate Oil and Gas Compact Commission
Oklahoma City, Oklahoma
 Lori Wrotenbery
Executive Director

Iñupiat Community of the Arctic Slope
Barrow, Alaska  		Doreen J. Leavitt
Director of Natural Resources

Jicarilla Apache Nation
Dulce, New Mexico  		Todd Osmera
Director
Jicarilla Apache Oil & Gas Administration

Louisiana State University
Baton Rouge, Louisiana
 Gregory B. Upton, Jr.
Executive Director and Associate Professor –   Research
Center for Energy Studies

Mandan, Hidatsa and Arikara Nation
New Town, North Dakota 
 Mark N. Fox
Chairman

National Fish and Wildlife Foundation
Washington, D.C.  		Holly A. Bamford
Chief Conservation Officer

National Tribal Energy Association
Saint Stephens, Wyoming 		Daniel C. Cardenas, Jr.
Chief Executive Officer and Chairman

Navajo Nation Oil and Gas Company
St. Michaels, Arizona  		William D. McCabe
Vice President, Navajo Petroleum

North American Energy Standards Board
Houston, Texas
 Rae McQuade
President

Osage Nation
Pawhuska, Oklahoma
 Everett M. Waller
Chairman
Osage Minerals Council

Rice University
Houston, Texas 
Kenneth B. Medlock, III
  James A. Baker III and Susan G. Baker Fellow in
  Energy and Resource Economics and
Senior Director, Center for Energy Studies
James A. Baker III Institute for Public Policy
Director, Master of Energy Economics
  Economics Department

Rocky Mountain Institute
Boulder, Colorado
Bryan K. Fisher
Managing Director
Climate Aligned Industries

Society of Petroleum Engineers
c/o Damorphe Inc.
Houston, Texas
Kamel Ben-Naceur
2022 President

Southern Ute Indian Tribe Growth Fund
Ignacio, Colorado
Kourtney K. Hadrick
Operating Director – Energy

Stanford University
Stanford, California 
Arunava J. Majumdar
Dean, Stanford Doerr School of Sustainability
Jay Precourt Professor,
Professor of Mechanical Engineering,
Senior Fellow at the Precourt Institute for Energy, and Senior Fellow, by courtesy,
at the Hoover Institution

State of Alabama
Tuscaloosa, Alabama 		Berry H. Tew, Jr.
State Geologist of Alabama
Oil and Gas Supervisor
Geological Survey of Alabama

State of Georgia
Atlanta, Georgia		 Tricia R. Pridemore
Commissioner
Georgia Public Service Commission

State of North Dakota
Bismarck, North Dakota		 Julie L. Fedorchak
Former Commissioner
North Dakota Public Service Commission

State of Oklahoma
Oklahoma City, Oklahoma 
Kimberly L. David
Commissioner
Oklahoma Corporation Commission

State of Texas
Austin, Texas
 Christi L. Craddick
Chairman
Railroad Commission of Texas

Stony Brook University
New York, New York
 Robert B. Catell
Chairman
Advanced Energy Research and
    Technology Center

Texas A&M University
College Station, Texas
 Jeffrey B. Spath
Stephen A. Holditch ‘69 Department
   Head Chair in Petroleum Engineering
Head, Harold Vance Department of
   Petroleum Engineering

University of North Dakota
Grand Forks, North Dakota

 John A. Harju
Vice President for Strategic Partnerships
Energy & Environmental Research Center

University of Southern California
Los Angeles, California
Donald L. Paul
Executive Director of the USC Energy Institute
Professor and William M. Keck Chair of
   Energy Resources
Viterbi School of Engineering

University of Texas, The
Spring, Texas

 Scott W. Tinker
Director Emeritus
Bureau of Economic Geology

Updated 5/8/25