AEGIS Hedging Solutions Global Land Partners Pontem Energy Capital
Akin Gump Strauss Hauer & Feld  Gore Exploration
Porter Hedges
Alchemist Energy GP100 Energy Advisors Posse Resources
Alliant Insurance Services
Grant Thornton
Post Oak Energy Capital
Alpha Beta Energy Grayson Mill Energy Preng & Associates
Ameredev II  Grenadier Energy III, LLC Prudential Private Capital
APA Corporation Gulf Capital Bank PwC
Ascent Resources Haas Engineering Quantum Energy Partners
Aspen Operating Company, LLC Harvest Oil & Gas Corp. Quorum Software
Baker Botts Haymaker Minerals & Royalties R. Reese and Associates
BI Research Hensyn Resources Ranger Oil
Birch Resources HGA Raymond James
Black Mountain High River Resources RBC Capital Markets 
BlueRock Energy Partners Hilcorp Red Willow Production Company
BOK Financial Securities Houlihan Lokey RedOaks Energy Advisors
BP HRM Resources IV Richard Altman & Company
Brigham Exploration INEOS USA Oil & Gas  Ring Energy Inc.
Brigham Young University Inside Petroleum Rio Oil and Gas
Buckhorn Production Intralinx Riverbend Energy Group
Burk Royalty Intrepid Potash Rocking J Oil & Gas
Business Design IOG Resources Roscoe Martin LLC
California Resources Corporation Iron Orchard Operating Ruckus Energy
Cascade Resource Partners Jefferies LLC Rusk Energy
Castex Energy Inc. JetRock Rystad Energy
Chesapeake Energy JOGMEC Salt Creek Oil and Gas
Chevron KeyBanc Capital Markets Scotiabank
Cholla Petroleum Kinetik Scout Energy Management
CIBC World Markets Corp. King Operating Corporation Scout Energy Partners
Citation Oil & Gas Corp. Kirkland & Ellis Seaport Global Securities
Citi Commercial Bank Lahontan Nevada Holdings Sequitur Energy Resources 
ComboCurve Landino Drilling Company Shearman & Sterling 
ConocoPhillips Latham & Watkins LLP Silver Hill Energy Partners
Continental Energy Advisors Layne Water Midstream Silver Point Capital
Cornerstone Acquisition & Mgmt. Lazard SilverBow Resources
Corvus Resources Legacy Reserves Silverstone EP
Covenant Royalties Leslie Law PLLC Southern Methodist University
Cowen & Company Mabrey Bank Split Rock Resources
Crain Caton & James Mack Energy Corporation Staghorn Petroleum II
Crescent Pass Energy Magnolia Oil & Gas Stephens Inc.
Crestwood Midstream Magnolia Oil & Gas Corporation Stephens Natural Resources
CSG Investments Manzano Energy Partners, LLC Stifel
Datasite Marubeni Oil & Gas (USA) Stout
Davis Graham & Stubbs  Matador Resources Strachan Exploration, Inc.
Delray Energy Partners Maverick Natural Resources Surge Energy
Denbury Inc. Michelman & Robinson LLP Tall City Exploration
Detring Energy Advisors MineralAnswers Tellurian
Deutsche Rohstoff AG Momentum Minerals TenOaks Energy Advisors
Devon Energy Moss Adams The Carlyle Group
DG Petro Oil & Gas Netherland Sewell & Associates The Genecov Group
Diversified Energy Nexus Energy Partners The Northern Trust Company 
Durham Capital Corporation Nine-Weight Energy Partners Tigerhawk Financial Advisory
E R Operating Co. Noble Royalties Titan Rock Exploration & Production
Eagle Oil and Gas NonOpWells Townsend Energy Advisors 
Earthstone Energy Northern Oil and Gas Tracts
East Daley Analytics Novus Energy Advisors Trailhead Exploration
East Resources NXG Investment Management Transit Energy
EDF Trading NA Occidental Petroleum Turning Point Solutions
EnCap Investments Oil & Gas Asset Clearinghouse U.S. Energy Development Corporation
End Point Energy LLC Olifant Energy II University of Oklahoma
Endeavor Energy Resources OLIPDP II  UpCurve Energy
Energy Advisors Group Opportune LLP Urban Oil & Gas Group
Energy Capital Solutions Otto Energy US Energy Development Corporation
Energy Intelligence Ovintiv Vencer Energy
EnergyNet OXY Vital Energy
Enerplus Corp. Peak Exploration VSO Petroleum Consultants
EnerQuest Oil and Gas LLC Pearl Energy Investments VTX Energy
EnerVest Pedernales Petroleum W Energy Software
Enstor Gas Pedernales Petroleum Weil, Gotshal & Manges LLP
Enverus PennWell Books Welligence Energy Analytics
EQT Corp. Percussion Petroleum Wells Fargo
First Horizon Bank Perdido Energy Western Natural Resources
Five Point Energy Performance Operating Partners Westlawn Group
Fortify Energy PetroDivest White & Case 
Forvis Petro-Ledger White Knight Production
Foundation Energy Management Phoenician Resources Wilkie Farr & Gallagher 
FourPoint Energy LLC PHX Minerals Wincoram Asset Management
Get REal Alliance NP Pickering Energy Partners Wood Mackenzie
Global Gas Group Piper Sandler Zeno Technologies