- 1132682 Alberta LTD (operating as Brown's Industrial Services)
- 1339022 Ontario Inc. (operating as Country Signs)
- 1920 ENERGY, LLC
- 360 Energy Liability Management
- 3RD COAST MIDSTREAM
- AB Mauri
- Acquisition Oil Corp.
- Adelphia Gateway (Talen Energy Interstate Energy Company)
- ADVANCE ENERGY PARTNERS
- Advantage Energy Ltd.
- Aegion Corporation
- AERA ENERGY LLC
- AETHON ENERGY
- African Oxygen (Pty) Limited, a Linde company
- AGL Services Company
- Air Liquide USA LLC
- Air Products, LLC
- Air Products, LLC
- ALBERTA-PACIFIC FOREST INDUSTRIES INC.
- ALLEGIANT RESOURCES LLC
- Alliance Energy Transmissions Syracuse
- Alliance Pipeline Canada
- Ally Construction Services
- ALOHA GAS
- Alstar Group of Companies Ltd.
- Alta Mesa Services LP
- AltaLink L.P.
- Alter Trading
- AMBIENT MECHANICAL LTD.
- Ameredev II LLC
- AMPLIFY ENERGY OPERATING LLC
- ANKOR ENERGY
- ANSCHUTZ EXPLORATION CORP. - DENVER
- Antero Midstream Corporation
- Apex Utilities Inc.
- AQUATERA UTILITIES INC.
- ARB MIDSTREAM, LLC
- ARCADIA OPERATING, LLC
- Archaea Energy Operating LLC
- Archer Exploration Corp.
- Arnett & Burgess Oil Field Construction Ltd.
- ARRINGTON OIL & GAS, LLC
- Arsenal Resources
- ARSENAL RESOURCES, LLC
- Artis Exploration Ltd.
- Aspenleaf Energy Limited
- Aspire Energy of Ohio LLC
- Astara Energy Corp.
- ATB Financial
- ATCO Frontec Ltd
- ATCO STRUCTURES & LOGISTICS LTD.
- Athabasca Oil Corporation
- Atlas Energy Tennessee LLC
- AUSTIN MASTER SERVICES LLC
- AUSTRALIS TMS INC
- AvanGrid
- AVANT NATURAL RESOURCES
- Axia Fibrenet Ltd
- B-32 Exploration
- Backwoods Energy Services Limited Partnership
- Bangor International Airport
- Barrel Oil Corp.
- BASA Resources
- BATTALION OIL (FKA HALCON RESOURCES CORP)
- Bayou Steel Group
- Baytex Energy Ltd.
- Bee Hive Operating LLC
- BEHRENS & ASSOCIATES INC (ENVIRONMENTAL NOISE CONTROL)
- BELLE FOURCHE PIPELINE CO AND BRIDGER PIPELINE LLC
- BentallGreenOak (Canada) Limited Partnership
- Berry Global
- BERRY PETROLEUM COMPANY
- BETA OPERATING COMPANY, LLC
- BHE Canada L.P.
- BHE GT&S
- BHE RENEWABLES GROUP - SOLAR
- BHE RENEWABLES GROUP - WIND
- BIDELL GAS COMPRESSION
- Bighorn Energy Corporation
- Bioenergy Devco
- Bison Oil & Gas
- BJ ENERGY SOLUTIONS
- BJ ENERGY SOLUTIONS CANADA
- BLACK BEAR TRANSMISSION LLC
- Black Diamond Group Limited
- BLACK SWAN OPERATING, LLC
- Blackbeard Operating, LLC
- BlackSpur Oil Corp
- Blackwood Partners Corporation
- Blue Racer Midstream LLC
- Blue Sky Resources Ltd.
- Boardwalk Pipelines
- BOARDWALK PIPELINES, LP
- BOIS D' ARC EXPLORATION LLC
- Boleng Engineering Management
- Bonavista Energy Corporation
- Bonnyville Welding Ltd
- Bonterra Energy Corp
- Bounty Transfer LLC
- BP Southern Africa (Pty) Ltd
- Brandt Tractor Ltd (formerly Cervus Equipment Corp)
- BRAZOS MIDSTREAM OPERATING
- BRAZOS MIDSTREAM OPERATING III, LLC
- Bridger Pipeline LLC
- British Columbia Institute of Technology (BCIT)
- Broadbill Energy Inc.
- BROUSSARD BROTHERS, INC.
- BTG Energy Corp.
- BUFFALO OILFIELD SUPPLY, LLC
- BULLSEYE CONSTRUCTION, LLC
- Caledonian Midstream
- CALENERGY GENERATION
- Calfrac Well Services Ltd.
- Calgren Renewable Fuels
- CALIBER MIDSTREAM
- CALIFORNIA RESOURCES CORPORATION
- CALLON PETROLEUM COMPANY
- Calmont Group of Companies
- Caltex Resources
- Caltex Trilogy Inc.
- CALYX ENERGY III, LLC
- Canadian Blood Services
- Canadian Forest Products Ltd.
- Canadian Horizontal Drilling Inc.
- Canadian Natural - Contingent Workers
- Canadian Natural Resources Limited
- CANADIAN OVERSEAS PETROLEUM LIMITED
- Canamax Energy Ltd.
- CAPITAN ENERGY INC
- CAPTUREPOINT LLC
- Carbon Alpha Corp.
- Cardinal Energy Ltd.
- Caribbean Refrescos, Inc
- Carroll County Energy Facility
- CASILLAS PETROLEUM
- CASTEX OFFSHORE INC
- CASTLETON COMMODITIES INTERNATIONAL LLC
- CAZA OPERATING, LLC
- CBRE (Global)
- CDN Controls Ltd.
- Central Valley Gas Storage
- CENTURION PIPELINE
- Centurion Pipeline, LP
- Certarus Ltd
- Certus Oil and Gas Inc.
- ChampionX Canada ULC (or Ultrafab)
- Cheniere Corpus Christi Pipeline
- Cheniere Energy Inc-Pipeline
- Cheniere Energy Inc-Terminals
- Cheniere Energy Shared Services
- Cheniere MidShip Pipeline Company LLC
- Chesapeake Energy Corporation
- Chesapeake Utilities Corporation
- CHIEF OIL & GAS LLC
- Cholla Energy LLC
- Cholla Petroleum Inc
- Chubb Fire & Security Canada Corporation
- CIMA Canada
- City of Benson
- City of Fremont Nebraska
- City of Kansas City - MO
- City Of Lakeland
- City of Las Cruces
- City Of Long Beach The Gas Department
- City of Lubbock, Lubbock Power and Light
- City of Medicine Hat
- City of Plains
- City of Susanville
- CITY OF TEMECULA
- CLARIANT - LOUISVILLE
- CLEAN ENERGY
- CLEAR CREEK RESOURCE PARTNERS
- Clear North Energy Corp.
- Clearview Resources Ltd.
- CML EXPLORATION - SYNDER
- CNX RESOURCES CORP
- Coastal Resources Limited
- Cobra Oil & Gas Corporation
- Cobra Pipeline LLC
- Coca-Cola Big Philippines
- Coca-Cola CPS France-Midi
- Coca-Cola Europacific Partners
- Coca-Cola Southwest Beverages
- Coelacanth Energy Inc.
- Coeur Mining Inc. (Coeur Silvertip Holdings Ltd.)
- Cogeco Connexion Inc.
- COLLEGIATE MIDSTREAM LLC
- Colliers International
- COLT MIDSTREAM
- Compass Access Solutions Ltd.
- Competition Well Services Ltd.
- COMSTOCK RESOURCES INC
- Comstock Resources LLC
- Conco Limited (CPS Eswatini)
- ConeTec Investigations Ltd. (Mikisew-ConeTec Limited Partnership; Mud Bay Drilling)
- Conifer Energy Inc.
- Connacher Oil and Gas Limited
- ConocoPhillips (BCC/Spanish Trail/ Keystone) (Frontier Energy Services)
- ConocoPhillips Company
- CONTANGO OPERATORS, INC.
- CONTANGO RESOURCES, INC.
- Continental Resources Inc
- Conuma Resources Ltd.
- Cor4 Oil Corp.
- CORDOVA ENERGY COMPANY
- Corex Resources Ltd.
- CountryMark Refining and Logistics LLC
- Cowboy Midstream
- CP Energy LLC
- CPE Gathering Midcon
- CPRP SERVICES, LLC
- CPS-Atlanta Beverage Base Plant - The Coca-Cola Company
- CPS Energy
- CPS Liberia
- CPS Midi
- CPS Puerto Rico
- CPX Energy
- Crescent Pass Energy LLC
- Crestwood
- CREW ENERGY INC.
- CRIMSON RESOURCE MANAGEMENT
- CSV MidStream Solutions Corp.
- CWC Energy Services Corp. (CWC Well Services)
- Cygnet Energy
- CYPRESS NATURAL RESOURCES
- Cytiva
- D90 Energy LLC - Houston
- Dakota Gasification Company
- Daylight Petroleum
- DCP Midstream
- Debswana
- DECHANT CONSTRUCTION LTD.
- Deep Blue Operating I LLC (formerly Deep Blue Midland Basin)
- DEL RIO GAS SYSTEM, CITY OF - Del Rio
- Delta Helix Energy LLC
- Desert Environmental
- DEVON ENERGY
- Dexterra Group Inc
- DGP ENERGY
- DIAMONDBACK ENERGY
- Direct Horizontal Drilling Inc.
- DIVERSIFIED ENERGY COMPANY, PLC (FKA DIVERSIFIED GAS & OIL, PLC)
- Diversified Gas and Oil Corporation
- Divisions Maintenance Group (DMG)
- Domino Highvoltage Supply Inc.
- Douglas Pipeline Co
- DP World (Canada) Inc.
- DP World Logistics
- DRIFTWOOD COMMUNICATIONS LTD
- DRIVER PIPELINE COMPANY, INC
- DT Midstream, Inc
- DURANGO MIDSTREAM
- E3 Lithium
- EagleClaw Midstream Ventures LLC
- EagleRidge Energy (formerly 1849 Energy Partners Operating LLC)
- EARTHSTONE ENERGY, INC.
- EASTERN SHORE NATURAL GAS
- Eastward Energy Incorporated
- E&B NATURAL RESOURCES
- E&B Natural Resources - Bakersfield
- ECOSTREAM LLC
- Edgewater
- Edmonton Regional Airports Authority
- Electronic Arts (Canada) Inc.
- ELK OPERATING SERVICES, LLC
- EllisDon Facilities Services Inc.
- EllisDon Industrial Inc.
- ELM Inc.
- Ember Resources Inc.
- Empire Generating Co., LLC
- Empire Midstream LLC
- Enbridge Gas Transmission and Midstream
- Enbridge Ingleside
- Encepta Corp.
- Encino Energy LLC
- ENDEAVOR ENERGY RESOURCES LP
- Enercapita Energy Ltd.
- Enerchem International Inc.
- Enercorp Engineered Solutions Inc
- Enerflex Ltd
- Energetic Services Inc.
- Energy Transfer Canada ULC (formerly SemCAMS Midstream)
- ENERGY TRANSFER CRUDE TRUCKING LLC (formerly SUNOCO PARTNERS MARKETING & TERMINALS LP)
- ENERGY TRANSFER LP
- EnLink Midstream
- Ensign Natural Resources
- ENSTOR GAS, LLC
- Enstor Operating Company, LLC
- ENVIRONMENTAL DISPOSAL SYSTEMS LLC
- EOG RESOURCES, INC.
- EPC SERVICES CO.
- EPFC CORP
- EPIC CONSOLIDATED OPERATIONS, LLC
- EQT Production Company
- Equitrans Midstream
- Ergon, Inc
- Essential Coil Well Service Limited Partnership
- Eversource Energy
- Ewing Oil
- EX EL Pipeline, LLC
- Excel Projects
- EXCO RESOURCES, INC
- ExxonMobil Pipeline Company
- EXXONMOBIL UPSTREAM US CONVENTIONAL
- Fasken Oil and Ranch LTD
- FILA-MAR ENERGY SERVICES
- Fillmore Gas
- FINLEY RESOURCES - CH4 - FINLEY OPERATING
- Fire & Flood Emergency Services Ltd.
- FIREBIRD ENERGY II LLC
- FLINT Energy Services Limited Partnership
- FLORIDA CITY GAS
- Florida Public Utilities Company
- Fluid Energy Ltd.
- Forbes Bros Ltd.
- FORGE ENERGY OPERATING, LLC
- FORMENTERA OPERATIONS LLC
- Formula Midstream Partners LLC
- FOUNDATION ENERGY - TULSA
- FRANKLIN MOUNTAIN ENERGY
- Fraser Health Authority
- Frontier Project Solutions Ltd.
- FULCRUM ENERGY
- Fullstream Energy Holdings
- Fundare Resources
- Gary Climate Solutions LLC
- GasTec
- Gateway Energy
- Gateway Mechanical Services Inc.
- GCT Canada Limited Partnership
- GE Aerospace
- GE Vernova
- General Electric (Leased Workers)
- Geopetro - Beaver Gas Gathering
- GETKA ENERGY, LLC
- GFI SOLUTIONS LTD.
- Gibson Energy
- Gila Bend Operations Co
- Giza Systems (South Africa)
- Glass Mountain Pipeline
- Glencore Ferro Alloys
- GMT Exploration Company LLC
- GOL, LLC
- Golden Pass LNG
- GOLDEN PASS LNG TERMINAL LLC
- Golden Triangle Storage Inc
- GOODNIGHT MIDSTREAM
- Goodrich Aerospace Canada Ltd. (Collins Aerospace)
- Granite Creek Energy LLC
- Green Energy Services (Fraction Energy)
- Greenidge LLC
- Greer Commission of Public Works
- Greylock Energy
- GREYLOCK MIDSTREAM
- GREYLOCK PRODUCTION LLC
- Griffon Operating Partners
- Grit Oil & Gas
- Grizzly Resources LTD
- GulfMark Energy
- H.B. FULLER
- H.B. Fuller - Latin America
- H.B. Fuller - Portugal
- H.J. Baker Sulphur Canada ULC d/b/a ICEC
- H2O MIDSTREAM
- Halfway River Ventures LP
- Hammerhead Resources Inc.
- Hammerstone Infrastructure Materials Ltd
- HARBISONWALKER INTERNATIONAL INC
- Hardee Power Partners
- HARMAC ENERGY SERVICES, LLC
- Harmony Gold Mining Company Limited
- HARTREE NATURAL GAS STORAGE
- HARTREE REFINING - CHANNELVIEW
- Harvard Resources Inc.
- Harvest Midstream Company
- Harvest Operations Corp.
- HARVEY GULF INT'L MARINE
- HB Fuller
- Headwater Exploration Inc.
- Heirloom Carbon
- HELIS OIL & GAS, LLC
- Hellman Properties
- Henry Ford Health Systems
- HERITAGE ENERGY LLC
- Hernic Ferrochrome (Pty) Ltd.
- HG ENERGY II APPALACHIA, LLC
- HG Energy LLC
- Hibernia IV
- HIBERNIA RESOURCES III, LLC
- Higher Ground Consulting Inc.
- Highwood Asset Management Ltd.
- Highwood Oil Company Ltd.
- Hilcorp Energy Company
- Hildale City Gas Department
- Holland Board of Public Works
- Honeoye Storage Corporation
- Hopewell
- Howard Midstream Energy Partners LLC
- HUNTSMAN (FKA EMERALD PERFORMANCE MATERIALS)
- HWN ENERGY LTD
- Hyperion Midstream (Olympus Energy , Huntley & Huntley Energy Exploration)
- HYPERION OIL & GAS
- IB Abel, Inc.
- i3 Energy Canada Ltd.
- IACX ENERGY
- IACX Rock Creek
- Iconic Power Systems Inc
- IKAV ENERGY
- Industrial Recruitment Inc.
- INFINITY NATURAL RESOURCES - MORGANTOWN
- INFLECTION ENERGY - DENVER
- INNOSPEC INC.
- InPlay Oil Corp
- Inside Edge Properties Ltd.
- Insignia Energy Ltd.
- Integrated Sustainability Consultants Ltd
- Intensity Midstream
- Inter Pipeline Ltd.
- Interior Gas Utility - Fairbanks
- International Association of Drilling Contractors
- INVITO ENERGY PARTNERS / INVITO OPERATING LLC
- Ion Facility Services Inc.
- Iron Horse Midstream LLC
- IRONROC ENERGY PARTNERS, LLC
- IRONWOOD MIDSTREAM ENERGY PARTNERS II LLC
- Iroquois Pipeline Operating Company
- ISKANDIA ENERGY OPERATING, INC
- Island Energy
- J Global Energy Midstream LLC
- J-W POWER COMPANY
- Crescent Energy Company
- JOMAX CONSTRUCTION
- Journey Energy Inc.
- JR OIL, LTD. CO.
- JSG Professional Services ULC
- JUNCTION RESOURCES, LLC
- Kaden Energy Ltd.
- Kanata Energy Group Ltd.
- Karve Energy Inc.
- KBL Environmental Ltd
- Kelt Exploration Ltd.
- KERN RIVER GAS TRANSMISSION
- Keyera Energy Inc
- Kiantone Pipeline Corporation
- KINETICA PARTNERS LLC
- Kings Mountain Natural Gas System
- Kingston Midstream Limited
- KINSLEY CONSTRUCTION INC
- Kinzer Drilling LLC
- Kiwetinohk Energy Corp.
- Kleenway Services Inc.
- Koloma Inc
- KRAKEN OPERATING LLC
- LA GRANGE LIQUIDS
- Lake Apopka Natural Gas District
- Lakeview Energy Inc
- Lambda Energy Resources LLC
- Lancaster Municipal Gas
- LATSHAW DRILLING
- Lawrenceburg Utility Systems
- LCH WELL SERVICING, LLC
- League Projects Ltd.
- Legacy Reserves Operating LP
- Leif Services Ltd.
- Leucrotta Exploration Inc.
- Liberty Midstream Solutions LLC
- Linde, Inc.
- Linebacker Power Funding, LLC
- LOENBRO, LLC
- Logan Energy Corp
- Long Run Exploration Ltd.
- Longshore Resources Ltd.
- LOTTE CHEMICAL
- LUCID ENERGY GROUP
- Lucid Energy Group LLC
- Lycos Energy Inc.
- Lynx Energy
- M.P.G. PIPELINE CONTRACTORS, LLC
- M6 Midstream, LLC - Midcoast Holdings (East Texas) LLC
- Maas Energy LLC
- MACK ENERGY CORPORATION
- Magnum Cementing Services Operations Ltd.
- Mancal Energy Inc.
- MANTI TARKA PERMIAN OPERATING, LLC
- Marathon Oil Company - Houston (Onshore)
- MarkWest Safety
- MASSIF OIL & GAS II
- MasTec Canada Inc.
- MasTec Transmission & Substation Group (MasTec North America, Inc.)
- MATRIX PDM ENGINEERING
- Maxim Power Corp (Milner Power Limited Partnership)
- Maxx North America Services Ltd.
- MC OFFSHORE PETROLEUM, L.L.C.
- Memphis Light Gas and Water
- Merit Energy
- Meritage Midstream
- MIDAMERICAN ENERGY
- MINO AUTOMATION USA LLC
- MIPC LLC
- MISSION CREEK RESOURCES
- MMWEC
- Moda Midstream - Deer Park
- Monarch Midstream LLC
- MONGOOSE ENERGY, LLC
- MONUMENT PIPELINE LP
- MORGAN THERMAL CERAMICS - AUGUSTA
- MORGAN THERMAL CERAMICS - ELKHART
- MORGAN THERMAL CERAMICS - EMPORIA
- MORGAN THERMAL CERAMICS - GIRARD
- MORIAH OPERATING LLC
- Morrow Renewables
- MOSBACHER ENERGY COMPANY
- Mountain Crane Services
- Mountain Valley Pipeline LLC
- MPLX G&P
- Mt. Carmel Public Utility Company
- MUSTANG EXTREME ENVIRONMENTAL
- Mustang Gas Products LLC
- Nabors Drilling, Division of Nabors Drilling Canada Limited
- NADEL AND GUSSMAN, LLC
- Nanometrics Inc.
- NATIONAL FUEL
- Navarro Midstream Services, LLC
- Navarro Midstream Services LLC
- NAVIDAD OPERATING COMPANY
- NAVIGATOR CO2 VENTURES LLC
- NAVIGATOR ENERGY SERVICES
- NEPSCO a NextEra Energy Company
- New Star Energy Ltd
- NEWPARK DRILLING FLUIDS
- NICKEL ROAD OPERATING LLC
- Niles Midstream, LLC
- Noble Energy
- North 40 Resources Ltd.
- North American Helium Inc
- North Country Gas Pipeline
- North Crossett Utilities
- North Shore Environmental Consultants Inc.
- NORTHEAST NATURAL ENERGY
- Northern Arizona University
- Northern Mat & Bridge LP
- NORTHERN NATURAL GAS
- Norwich Public Utilities
- Nottingham Midstream Ltd.
- NOVO OIL & GAS
- NRG Power Midwest LP
- NTE Energy Canada Ltd. (formerly Shanghai Energy Corporation)
- Nu Build Contracting Inc.
- Nucor Corporation
- Nucor Steel Kingman, LLC
- NuVista Energy Ltd
- NV ENERGY INC.
- OASIS TRANSPORTATION & MARKETING CORP
- Obsidian Energy Ltd.
- OCI Beaumont
- OCL Group Inc. o/a OCL Construction Services LP.
- Oculus Transport Ltd.
- OE2 North LLC (Outrigger Energy)
- Old Union Operating Co
- One Energy (PTY) LTD
- ONEOK Inc.
- OPSCO Process Corp.
- OQ Chemicals Corporation
- Origin Mining Company
- ORLEN Upstream Canada Ltd.
- Orphan Well Association
- Outlier Resources Ltd.
- OWENS-ILLINOIS
- Pacesetter Directional Drilling LP
- Pacific Canbriam Energy Limited
- Pacific Coast Terminals Co Ltd.
- Pacific Northern Gas Ltd.
- PACIFICORP
- PACIFICORP T&D
- PALO ALTO, CITY OF - PALO ALTO
- PAR FIVE ENERGY SERVICES, LLC
- Paradigm Midstream Services
- Paradox Access Solutions Inc.
- Paramount Pipeline LLC
- Paramount Resources Ltd.
- Parkland Corporation
- ParklandGEO Ltd
- Patoka Terminal Company, LLC
- Pennsylvania General Energy
- PEOPLES NATURAL GAS COMPANY
- PERMIAN DEEP ROCK, LLC
- Perpetual Energy Inc.
- PERRIGO COMPANY - ALLEGAN & HOLLAND
- PERRIGO COMPANY - OHIO
- PERRIGO COMPANY - VERMONT
- Petro - Diamond Terminal Company - Irvine
- PetroChina Canada
- PETROMAX REFINING CO.
- PETROSTAR SERVICES
- Petrus Resources Ltd.
- Peyto Exploration & Development Corp.
- Phillips 66
- PHOENIX PARK ENERGY MARKETING
- PILOT WATER SOLUTIONS SWD LLC
- POTAC LLC (operating as Manager of Pin Oak Taft, LLC)
- Pine Cliff Energy Ltd.
- Pine Run Midstream LLC
- Pine Run Midstream LLC (formerly Stonehenge Appalachia)
- PINEDALE ENERGY PARTNERS OPERATING, LLC
- PIONEER NATURAL RESOURCES USA INC
- Pipeline Technology
- Pipestone Energy Corp.
- PME Inc
- Portland Pipe Line Corporation
- POWER RESOURCES
- PRAIRIE STATE GENERATING COMPANY, LLC
- Prairie Thunder Resources Ltd.
- Precision Contractors Ltd. and Precision Asiskiy Services Ltd
- Predator Drilling
- Process Plant Constructors Ltd.
- ProFoxx Asset Retirement Management Ltd
- PTW Energy Services Ltd.
- PULSE SEISMIC
- Pure Environmental Waste Management Ltd.
- R360 Environmental Solutions Canada
- Razor Energy Corp.
- RB Oilfield Hauling Inc.
- RecycleSmart Solutions Inc., O/A Recycle Track Systems CA.
- RED CEDAR GATHERING COMPANY
- REDWOOD OPERATING LLC
- Reed Energy Group Inc.
- RENSSELAER GENERATING LLC
- Repsol Oil & Gas USA LLC
- Repsol Oil & Gas USA LLC - Eagle Ford Business Unit
- Republic Services Blue Ridge Energy Development
- Resourceful Petroleum Canada Limited & Rampart Oil Inc.
- Revitalize Energy Inc.
- Revolution Oil & Gas Corporation
- RH energytrans LLC
- Richmond Steel Recycling (Metal Recycling)
- Ricochet Oil Corp
- RIDGELAKE ENERGY, INC.
- RIFE RESOURCES LTD.
- RILEY PERMIAN OPERATING COMPANY LLC
- RIMROCK ENERGY PARTNERS, LLC
- Ring Energy
- Rising Star Resources Ltd.
- Roaring Fork Midstream LLC
- Rochester Gas & Electric
- ROCKCLIFF ENERGY, LLC
- Rockpoint Gas Storage Canada Ltd.
- Rogers Communications Canada Inc.
- ROHL GLOBAL NETWORKS INC
- ROK Resources Inc.
- ROMA GAS DEPT. CITY OF - Roma
- ROSETON GENERATING LLC
- Roska DBO Inc.
- ROVER PETROLEUM
- Royal Canadian Mint
- RW Canada Ltd. (ServiceMaster of Canada)
- RyTy Developments Ltd.
- S2 ENERGY OPERATING LLC
- SA Shelf 01
- SA Shelf 02
- SA Shelf 03
- Saber Midstream
- Sacramento Municipal Utility District
- Saddle Butte Pipeline III
- Safety In Schools
- SAGE NATURAL RESOURCES
- Salt Creek Midstream (ARM Midstream Management LLC)
- Samancor Tubatse Chrome (Pty) LTD
- SAMSON EXPLORATION, LLC
- San Diego Gas & Electric
- SANDRIDGE ENERGY
- SARANAC POWER PARTNERS
- Sasol Mining (Pty) Ltd
- Saturn Oil & Gas Inc.
- Savage Services Corporation
- Savanna Drilling Corp.
- SAVANNA WELL SERVICING CORP
- SCALA ENERGY OPERATING LLC
- SCANA Services Inc
- Schlumberger Canada Limited (SLB)
- SCM OPERATIONS LLC
- SCOUT ENERGY MANAGEMENT LLC
- Scout Energy Partners
- Scovan Inc.
- SeaPort Sound Terminal LLC
- SELECT WATER SOLUTIONS, LLC (formerly Select Energy)
- Semco Pipeline Company - Port Huron
- Sempra LNG
- Seneca College
- Seneca Resources Company LLC
- SERVCO INDUSTRIAL CONTRACTING
- ServcoCanada Inc. (formerly DMS Industrial Constructors Inc.)
- Sharp Energy
- Shaw Communications Inc.
- SHERMCO INDUSTRIES
- Shield Energy Ltd.
- SIGNAL HILL POWER PLANT
- SILVER CREEK MIDSTREAM HOLDINGS LLC
- SILVERBACK OPERATING II, LLC
- Sinclair Casper Refining Company
- Sinopec Canada (Sinopec Daylight Energy Ltd.)
- SoCal Gas / SDG&E NDE
- Southcross Energy Partners LLC
- Southern California Gas Co - Underground Storage
- Southern California Gas Company
- Southern California Gas Company - TRAINING ONLY
- Southern Company Pipelines
- SOUTHERN POWER COMPANY
- SOUTHERN STAR CENTRAL GAS PIPELINE
- Southwestern Energy (SWN)
- Spartan Delta Corp.
- Spoke Resources Ltd.
- Spur Petroleum
- SQUARE MILE ENERGY, LLC
- Stakeholder Midstream (Santa Fe Midstream LLC)
- Steel Reef Infrastructure Corp.
- STEPHENS PRODUCTION COMPANY LLC
- Sterling Ethanol
- STEWARD ENERGY II, LLC
- Storm Development Corp.
- Stqó:ya Construction (Stqoya)
- Strad Canada Inc.
- STRAD USA INC.
- STRATA, LLC
- Strathcona Resources Ltd.
- STREAMLINE INNOVATIONS
- Strike Group Limited Partnership
- Suede Energy Ltd.
- Summit Liability Solutions (Turtle Island Earth Services)
- Summit Midstream Partners LLC
- SUNCOR ENERGY (USA) PIPELINE COMPANY
- SUNDANCE ENERGY, INC
- SUNOCO LP
- SureLine Projects Inc.
- Surepoint Technologies Group Inc.
- Surge Energy Inc
- SURGE OPERATING, LLC
- SWEPI L.P. Appalachia Asset
- Tamarack Valley Energy Ltd.
- Tap Rock Operating
- Taqa North
- Targa Resources LLC
- TC Energy
- Teine Energy
- Tenaz Energy Corp.
- Tenderfoot Pipeline Company
- TERMO
- Termont Montréal Inc
- TerraPro Inc.
- TETRA PAK PROCESSING SNC
- Texas International Pipeline Systems LLC
- Texas Petroleum Investment Company (TPIC)
- TG Natural Resources LLC
- The Canadian Broadcasting Corporation / La Société Radio-Canada (CBC Radio-Canada)
- The City of Fort St John
- The Coca Cola Company
- The San Antonio Refinery LLC (TexStar Midstream Logistics)
- The Tri-M Group, LLC
- THE WILLIAMS COMPANIES, INC.
- Thermon Canada Inc.
- Third Coast Midstream
- THRONE DELAWARE RESOURCES
- THYSSENKRUPP UHDE (USA), LLC
- TIGER CALCIUM SERVICES INC.
- TITAN SOLAR POWER
- Todd Energy Canada Limited
- TORRENT ENERGY SERVICES, LLC
- TORRENT OIL
- Torxen Oil & Gas Ltd.
- Total Oilfield Rentals Ltd.
- TotalEnergies Marketing South Africa (PTY) Ltd
- Tourmaline Oil Corp.
- Town of Center
- Town of Saco
- Trace Associates
- TransMontaigne Operating Company LP
- Treetop Midstream Services
- Tri-Gas & Oil
- Trinity Operating Company, A NextEra Company
- Trinity Pipeline GP, LLC
- TRUMBULL ENERGY SERVICES, LINDY PAVING AND STATELINE PAVING
- Tucson Electric Power Company Inc
- TUG HILL OPERATING
- Tumbleweed Midstream
- Tundra Oil and Gas Limited
- TURBINEPROS LLC
- U.S. ENERGY DEVELOPMENT CORPORATION
- U.S. PIPELINE, INC
- UGI Energy Services
- United Farmer of Alberta o/a UFA Cooperative Ltd
- UNITIL SERVICE CORP
- Univar Solutions
- Universal Rail Systems
- University of Central Florida
- US Land Guild, LLC
- UTAH GAS CORP
- V.E. Brandl Ltd.
- VALENCE OPERATING COMPANY
- Validus Energy II Midcon LLC
- Vancouver Airport Authority
- VANTAGE SPECIALTIES, INC
- VAQUERO ENERGY INC - BAKERSFIELD
- VAQUERO MIDSTREAM, LLC
- Vaquero Midstream LLC
- Varcon Inc
- Velocity Midstream
- VENCER ENERGY
- VERDUGO-PABLO ENERGY, LLC
- Vermont Gas
- Vertex Resource Group Ltd
- Vesta Energy Ltd.
- Viking Projects Ltd.
- Village of Wagon Mound
- VISION RNG
- Volvo
- Voyager Midstream
- VTX ENERGY OPERATING, LLC
- WABTEC CORPORATION
- WABTEC ERIE
- WABTEC GROVE CITY FACILITY
- WABTEC MANUFACTURING SOLUTIONS
- Wajax Ltd
- Wakefield Municipal Gas and Light Department
- Warwick Investment Group
- WASHINGTON GAS LIGHT COMPANY
- Waterbridge Operating
- West Lake Energy Corp.
- West Texas Gas – Midstream
- Westbrick Energy Ltd.
- WESTERN ELECTRICAL MANAGEMENT LTD.
- Western Gulf Water Services
- WESTERN GULF WATER SERVICES, LLC
- WESTERN PACIFIC ENTERPRISES LTD
- Westfield Gas & Electric
- Westlake Corporation
- Westpower Equipment Ltd.
- Weyerhaeuser NR Company
- WHIPTAIL MIDSTREAM
- White Owl Energy Services Ltd.
- White Water Management Ltd
- Whitecap Resources Inc.
- WHITEWATER MIDSTREAM, LLC
- Whiting Oil and Gas Corporation
- WHITNEY OIL & GAS LLC
- WILBANKS TRUCKING SERVICES, LLC
- WildFire Energy LLC
- Williams Scotsman of Canada, Inc. (WillScot Mobile Mini Holdings Corp)
- WILLOW CREEK COMPANIES LLC
- Willowridge Construction
- WinSport
- WliamServices
- Woodland Development Corp.
- Woodway Energy Infrastructure LLC (formerly MultiFuels)
- WORLD ENERGY HAMILTON (BIOX CANADA LIMITED)
- WORLD ENERGY HARRISBURG
- WORLD ENERGY (HEADQUARTERS)
- WORLD ENERGY HOUSTON
- WORLD ENERGY NATCHEZ
- WORLD ENERGY PARAMOUNT
- WORLD ENERGY ROME (U.S. BIOFUELS, INC.)
- WSP E&I Canada Limited (formerly Wood Environment & Infrastructure Solutions Canada Limited)
- WSP USA
- WTG MIDSTREAM LLC
- XCEL ENERGY
- XCL MIDSTREAM OPERATING
- XCL PROCESSING OPERATING
- Xplore Inc
- XTO Energy Inc.
- YMCA Calgary
- Yoho Resources Inc.
- YUKON EXPLORATION OPERATING, LLC
- YUMA COGENERATION ASSOCIATES
- YUSEN LOGISTICS
- ZAVANNA ENERGY, LLC
- Zen Midstream
- ZENITH ENERGY
- Zia Natural Gas
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