33 Resources ADM Energy Partners Airgas Altus Intervention American Public University System American Refining Group Antero Midstream Apex Energy Apex Pipeline Services Archrock Archrock Services Ariel Corporation ARM Energy Management ARM Group Arrington Oil & Gas Operating Arsenal Resources Ascent Resources Aux Energy Baker & Hostetler Baker Hughes BC Operating Bedrock Petroleum Consultants Beitzel Corporation BI Research Bidell Gas Compression Black Label Services Blackline Midstream Marketing Bloomberg News Blue Baron Energy BOK Financial BOK Financial Securities Bounty Minerals Bridgevalley Technical Bulwark FR Capital Sand Proppant Capturiant Capwell Services Casto Petroleum Engineering Catalyst Energy Services Chemjet Chemical Specialties and Services Chemstream Chesapeake Energy Citadel CL&F Resources CNX Resources ComboCurve Commonwealth Foundation Compass Natural Gas CORE Linepipe CP Energy Services CP Well Testing Creston Well Service Critical Control Technologies CrudeChem CTAP - Midstream Division Deep Well Services DeRosa Environmental Management Detring Energy Advisors Diamond Technical Services Diversified Energy DLAPiper Eastern Construction & Excavating ECI Encino Energy Energy Advisors Group Energy Intelligence Energy Resolutions EnergyNet Enkon Energy Advisors EQT Corp. Extreme/SLB Exxon Mobil E-Z Line Pipe Support Company Farmers National Company FFLP Flex Energy Solutions FlexSteel Freemyer Freepoint Commodities Frontier Environmental FTI Consulting Fusilier Resources Gas and Oil Association of WV Geopetro Glencore Global Land Partners Globeo Grant Production Testing Graves & Co Consulting Grenadier Energy Partners GreyLock Energy Gulf Coast Business Credit Guttman Energy Harrison County, Ohio CIC Hartman and Hartman Construction HartPetro Global Hay Exploration Haymaker Minerals & Royalties HES Operating Hewitt Energy Strategies HKM Sales & Consulting Horizontal Wireline Services Hose Source Hunton Andrews Kurth IMA Financial Group Infinity Natural Resources Inflection Energy Intelligent Wellhead Systems Interra Energy Ion Power IPAA IWS JA Oilfield Manufacturing Jay-Bee Oil & Gas JD Rush Corporation Jennmar JetRock Jones Petroleum Services JWF Industries Kelvion Products Keramida KeyBanc Capital Markets Keystone Consultants Kirkland & Ellis L.A. Gates Company Land & Mineral Management of Appalachia Laurel Mountain Energy Layfield Geosynthetics Liberty Energy Lightning Master Corporation Lobo Logistics Long Ridge Energy Magnum Piering Mammoth Carbon Products Mammoth Energy MD Totco Melzers Fuel Service Merchants Fleet Messer North America Mountain V Oil & Gas Mutschelknaus Energy Resources Nacelle National Fuel Gas NCS Multistage Netherland, Sewell & Associates NexTier NGL Energy Partners Nicely Road Capital Northeast Natural Energy Northrup Equipment Ohio Oil & Gas Association Oil Field Packaging Orion Strategies P2 Energy Services PA Midstream Holdings Pason Patriot Energy Services Penn Environmental & Remediation Penn Production Group PennEnergy Resources Pennsylvania State University Peoples Natural Gas Petrie Partners Petro Canada PFP Industries Phoenix Technology Services Pin Oak Energy Partners Pittsburgh Business Times Pittsburgh Post-Gazette Post Oak Minerals Quantum EP R. Christopher Goodwin & Associates Rain For Rent RBN Energy RCP Repsol Oil & Gas RIOT Edge Solutions Robindale Rotor-Tech Rystad Energy Satelytics Seahorse Water Solutions Seneca Resources Sentry Wellhead Systems Servtech Silt Saver Siltstone Capital Sirius Controls Smart Sand smartsand Stingray Pressure Pumping STL Resources Stratum Reservoir Suny Empire State Superior Midstream Superior QC TC Energy Team Fishel Tech Products TEK Piles The Ohio State University The Williams Companies Thermo Fisher Scientific Tidewater Logistics Operating Titan Production Equipment Total Frac Solutions TribLIVE Trinity Sling Trivaco True flameless Rentals Truist Securities TSS TurnKey Logistics U. S. Steel Tubular Products U.S. Oil & Gas Association UGI Energy Services Univar Solutions Universal Pressure Pumping US Energy Information Administration USA Compression Validere Vallourec Venable Royalty Veriforce Viking Pump Voltus W Energy Software Washita Valley Enterprises Weatherford WellDrive Welltec Western Land Services Williams Williams Ohio Valley Midstream Wishgard WolfPack Industries Wood Wood Mackenzie Wright & Company WVEI XTO Energy Zefiro Methane Corp Zerust Oil & Gas