Our Members
Member Addresses and Places of Business
Links to Member Company Web Sites
U.S. Energy Utilities | Transmission and Marketing Companies | Exploration and Production | International Energy Companies | International Affiliate | Products and Services Companies | Association Honorary | Foreign Honorary
U.S. Energy Utilities
Local natural gas distribution companies and their corporate parents.
- Algonquin Power & Utilities Corp.
- ALLETE, Inc.
- Alliant Energy
- AltaGas Ltd.
- Ameren Corporation
- Ameren Illinois
- Ameren Missouri
- Appalachian Natural Gas Distribution
- Arkansas Oklahoma Gas Corporation
- Aspire Energy
- Atlanta Gas Light
- Atmos Energy Corporation
- AVANGRID Inc.
- AVANGRID Networks
- Avista
- Bangor Gas Company
- Berkshire Gas Company
- Berkshire Hathaway Energy
- BGE, An Exelon Company
- Black Hills Corporation
- Black Hills Energy
- Black Hills Power, Inc.
- Bluefield Gas Company
- Brainard Gas
- Cascade Natural Gas Corporation
- CenterPoint Energy
- Central Florida Gas Co., Div. Chesapeake Utilities
- Central Hudson Gas & Electric Corporation
- Chattanooga Gas
- Chesapeake Utilities Corp., Delaware & Maryland Divisions
- Chesapeake Utilities Corporation
- Citizens Energy Group
- Citizens Gas Fuel Company
- Clarke-Mobile Counties Gas District
- Clearwater Gas System
- CMS Energy Corporation
- Colorado Natural Gas, Inc.
- Colorado Springs Utilities
- Columbia Gas of Kentucky
- Columbia Gas of Maryland
- Columbia Gas of Ohio
- Columbia Gas of Pennsylvania
- Columbia Gas of Virginia
- Connecticut Natural Gas Corporation
- Consolidated Edison Company of New York, Inc.
- Consolidated Edison, Inc.
- Consumers Energy Company
- Corning Natural Gas Corporation
- CoServ Gas
- CPS Energy
- Delmarva Power, An Exelon Company
- Delta Natural Gas Company, Inc.
- Dominion Energy
- Dominion Energy - Southeast Energy Group
- Dominion Energy Ohio
- Dominion Energy Utah
- Dominion Energy West Virginia
- DTE Energy
- DTE Gas Company
- Duke Energy Corporation
- Easton Utilities
- Elizabethtown Gas
- Elkton Gas
- Emera Inc.
- Energy West Montana
- Energy West, Inc.
- ENSTAR Natural Gas Company
- Entergy Louisiana, LLC
- Entergy New Orleans, Inc.
- Entergy Services, Inc.
- Eversource Energy
- Exelon Corporation
- Fairbanks Natural Gas
- Fitchburg Gas and Electric Light Company
- Florida Public Utilities Company
- Fort Pierce Utilities Authority
- Fortis Inc.
- FortisBC Energy Inc.
- Frontier Natural Gas
- Gainesville Regional Utilities
- Great Plains Natural Gas Co.
- Greater Minnesota Gas, Inc.
- Greenville Utilities
- Greenwood Commissioners of Public Works
- HAWAI'I GAS
- Hearthstone Utilities Inc.
- Holyoke Gas & Electric
- Illinois Gas Company
- Intermountain Gas Company
- Kansas Gas Service
- KNG Energy
- Las Cruces Utilities
- Leatherstocking Gas Company LLC
- LG&E-KU, PPL Companies
- Liberty
- Lumberport-Shinnston Gas Company, Inc.
- Madison Gas and Electric Company
- Maine Natural Gas
- MDU Resources Group, Inc.
- Memphis Light, Gas & Water Division
- Metropolitan Utilities District
- MGE Energy, Inc.
- Michigan Gas Utilities
- MidAmerican Energy Company
- Middle Tennessee Natural Gas Utility District
- Minnesota Energy Resources
- Montana-Dakota Utilities Co.
- Mountaineer Gas Company
- Mt. Carmel Public Utility Co.
- Nashville Gas, Div. of Piedmont Natural Gas Co.
- National Fuel Gas Company
- National Fuel Gas Distribution Corporation
- National Grid
- Natural Gas Processing Co.
- New Jersey Natural Gas Company
- New Jersey Resources
- New Mexico Gas Company
- New York State Electric & Gas Corporation
- Nicor Gas
- NIPSCO
- NiSource Inc.
- North Shore Gas
- Northeast Ohio Natural Gas
- Northern Utilities, Inc.
- NorthWestern Energy
- Norwich Public Utilities
- NV Energy
- NW Natural
- Oak Ridge Utility District
- Ohio Valley Gas Corporation
- Okaloosa Gas District
- Oklahoma Natural Gas
- ONE Gas, Inc.
- Orange & Rockland Utilities, Inc.
- Orwell Natural Gas Company
- Pacific Gas and Electric Company
- PECO, An Exelon Company
- Peoples Gas
- Peoples Natural Gas
- Pepco, An Exelon Company
- Philadelphia Gas Works
- Piedmont Natural Gas Company, Inc.
- Pike County Light and Power
- Pike Natural Gas Company
- PPL Corporation
- PSNC Energy, A SCANA Company
- Public Service Electric and Gas Company
- Puget Sound Energy
- RGC Resources, Inc.
- Richmond Utilities Board
- Roanoke Gas Company
- Rochester Gas & Electric Corporation
- Rocky Mount Public Utilities
- San Diego Gas & Electric Company
- Sandpiper Energy
- SCANA Corporation
- SEMCO Energy Gas Company
- SiEnergy
- South Carolina Electric & Gas Company
- South Jersey Gas Company
- South Jersey Industries, Inc.
- Southern California Gas Company
- Southern Company
- Southern Company Gas
- Southern Connecticut Gas Company
- Southwest Gas Corporation
- Southwest Gas Holdings, Inc.
- Southwestern Virginia Gas Company
- Spire Inc.
- Summit Natural Gas of Maine, Inc.
- Summit Natural Gas of Missouri, Inc.
- Summit Utilities, Inc.
- Superior Water, Light and Power Company
- TECO Energy, Inc.
- TECO Peoples Gas
- Terrebonne Parish Consolidated Government
- Texas Gas Service
- The Energy Cooperative
- UGI Corporation
- UGI Utilities, Inc.
- Union Oil & Gas Inc.
- UniSource Energy Services
- Unitil Corp.
- UNS Energy Corp., a Fortis Co
- UNS Gas, Inc.
- Utility Pipeline Ltd.
- Valley Energy, Inc.
- Vermont Gas Systems, Inc.
- Washington Gas
- We Energies
- WEC Energy Group
- Westfield Gas & Electric Department
- WGL Holdings, Inc.
- Wisconsin Public Service
- Xcel Energy Inc.
- Zia Natural Gas Company
Transmission and Marketing Companies
U.S. natural gas transmission companies; Canadian and Mexican natural gas distribution and transmission companies; and natural gas marketers, brokers and gatherers
- Algonquin Gas Transmission, LLC
- ATCO Pipelines
- BHE GT&S
- Centra Gas Manitoba Inc.
- Dominion Energy Carolina Gas Transmission, LLC
- Dow Pipeline Company
- Eastern Shore Natural Gas Company
- El Paso Natural Gas
- Énergir
- Equitrans Midstream Corp.
- Gas South, LLC
- Intragaz
- Kern River Gas Transmission Co.
- Manitoba Hydro
- National Fuel Gas Supply Corporation
- Northern Natural Gas Company
- NW Natural Gas Storage
- ONEOK, Inc.
- Rockpoint Gas Storage
- Southern Natural Gas Company
- Southern Star Central Gas Pipeline, Inc.
- TC Energy
- Tenaska Marketing Ventures
- Tennessee Gas Pipeline
- WBI Energy, Inc.
Exploration and Production
Companies involved in the extracting and production of natural gas and liquified natural gas companies.
International Energy Companies
Utilities outside of North America eligible to participate in Operations Best Practices/Benchmarking Program and Selected Operating Section Committees.
- COMGAS
- Osaka Gas USA Corporation
- PROMIGAS S.A., ESP
- Sociedad Partuaria El Cayao
- Tokyo Gas America, Ltd.
- TriSummit Utilities Inc.
International Affiliates
Organizations outside of North America.
Products and Services Companies
Suppliers; consultants; professionals in the operating, financial, marketing and legal communities; and others that provide products or services to the natural gas industry.
- 3P Utility Services
- A.Y. McDonald Manufacturing Company
- ABI Integrity Services
- Abriox Inc.
- Accenture
- Accurate Corrosion Control, Inc.
- Aclara
- Advanced Control Panels, Inc.
- AEGIS Insurance Services, Inc.
- Aeris Technologies, Inc.
- Aether DBS
- Affiliated Engineering Laboratories
- Agave Wire LTD
- AGI Construction, Inc.
- AGRU America, Inc.
- Aim Energy Group Inc.
- AJS Consulting and Advisement LLC
- Algas-SDI
- Aliaxis Utilities France
- Alisto Engineering Group, Inc.
- Allan Edwards
- Alliance Consulting Group
- Altec Industries
- American Polywater Corporation
- Antea Group
- Aptus Group USA, LLC
- ARC-TWO Consulting Inc.
- Ariel Corporation
- Arkema Inc.
- Artera Services
- Atrium Economics, LLC
- Audubon Companies
- AVEVA Inc
- Babst Calland
- Badger Daylighting Inc.
- Baker Hughes Company
- Balon Corporation
- Baron Filtration Inc.
- Barr Engineering Co.
- Bascom-Turner Instruments
- Basin Industry Supply
- Bay Utility Associates, LLC (no website)
- BayoTech
- BelGAS
- Benton-Georgia, LLC
- Bevolo Gas & Electric Lights
- Bidgely
- Bingham & Taylor
- Bison Engineering, Inc.
- BJ Inspections Inc.
- Black & Veatch Management Consulting, LLC
- Blackline Safety
- Blackeagle Energy Services
- BlackSky
- Blue Engineering and Consulting Company
- Boehmer Valve, Inc.
- Border States
- Bowman Consulting Group
- Bradley B Bean PE
- Brief Relief
- BROEN, Inc.
- Burns & McDonnell
- Campos EPC LLC
- Canada Pipeline Accessories Company Ltd.
- CB&I Storage Systems, Division of McDermott International
- Celerity Consulting Group
- Centuri Construction Group
- Certarus Ltd
- CGI Utilities
- CH-IV International
- CHA Consulting, Inc.
- Chevron Phillips Chemical Co.
- CHI Engineering Services, Inc.
- Chicago Fittings Corporation
- Cintas
- CIRCOR International
- Civil & Environmental Consultants, Inc
- CivilGrid
- Claims Management Resources
- Colorado Engineering Experiment Station, Inc
- Como La Flor (no website)
- Concentric Energy Advisors Inc.
- Consolidated Analytical Systems, Inc.
- Consolidated Pipe & Supply Co.
- Continuum Capital
- Control Southern, Inc.
- Copperhead Industries, LLC
- Copperleaf Technologies
- Cosmodyne, LLC
- CR Wall
- Critigen
- CS Week
- Cullen and Dykman LLP
- Davis Wright Tremaine LLP
- d'Escoto, Inc.
- Daymark Energy Advisors, Inc.
- Deloitte
- Deloitte
- Deloitte
- Deloitte
- Deloitte Tax LLP
- Digital Control Incorporated
- Ditch Witch
- DNV GL
- Dow
- Doyle Hartman, Oil Operator
- Dresser Utility Solutions
- Dupont Personal Protection
- Duraline/PolyPipe
- Dynamic Risk
- E2 Consulting Engineers, Inc.
- Eagle Research Corporation
- EcoEngineers
- Ecotec Solutions, Inc.
- EF Technologies, Inc.
- E.G.O. North America, Inc.
- EGW Utilities
- EigenPatterns
- EIU, LLC
- Elecnor Hawkeye LLC
- Elecsys Corporation
- eLichens
- ELM Companies
- Emerson
- Emerson Automation Solutions (Micro Motion)
- Emerson Automation Solutions - Remote Automation Solutions
- EN Engineering
- Enchanted Rock LLC
- Endress+Hauser Flow USA, Inc.
- Enercon Services, Inc.
- Energy Economics Inc.
- Energy Experts International, Inc.
- Energy Land & Infrastructure, LLC
- ENERGY worldnet, Inc.
- EnerSys Corporation
- Enetics, Inc.
- Enterprise Products Partners, L.P.
- EnviroCal, Inc.
- Epoch Solutions Group Inc.
- Epcon Partners, Inc.
- Equipment Controls Company
- Equix, Inc.
- Esri, Inc.
- Evercore
- Evergreen Compliance LLC
- Evonik Corporation
- exp Energy Services Inc.
- Exponent, Inc.
- Exponent, Inc.
- Farnsworth Group, Inc.
- Farwest Corrosion Control Company
- FBV Inc.
- Fitch Ratings
- Flagger Force Traffic Control Services
- Footage Tools
- Foster Associates Consultants, LLC
- Foundation Energy Management, LLC
- FPH Consulting Services, LLC
- Frontics America
- Fusion Integrated Solutions, LLC
- G2 Integrated Solutions
- Gannett Fleming Valuation and Rate Consultants, LLC
- Gas Certification Institute
- Gas Transmission Systems, Inc.
- GDS Associates, Inc.
- GE Digital
- GEI Consultants, Inc.
- GEOMAGIC Utility Solustions, Inc.
- Gold Shovel Association
- Greenwich Investment Management
- Grid One Solutions Inc.
- GROEBNER
- GTI Energy
- GTS Engineering & Consulting
- Guidehouse
- GZA GeoEnvironmental, Inc.
- Halliburton Energy Services
- HammerHead Trenchless
- HBK Engineering, LLC
- The HDD Company
- HDR
- Heath Consultants Incorporated
- Henkels & McCoy, Inc.
- Hermann Sewerin GmbH
- Hexagon
- Highridge Corrosion Services
- Holland Engineering, Inc.
- Holland Supply Company
- HomeServe USA
- Honeywell Process Solutions
- Honeywell Smart Energy Gas Americas
- Horizon Technologies
- Hubbell Gas Connectors & Accessories
- Hydromax USA
- ICF
- ICwhatUC Inc.
- InduMar Products, Inc.
- Industrial Training Services, Inc.
- INFICON
- Infra Pipe Solutions
- Ingevity
- Inner-Tite Corp.
- Innovative Compliance Inc.
- Integrity Solutions Ltd
- InterCon Construction, Inc.
- International/Interprovincial Corrosion Control
- Intero-Integrity Services
- Ionix Gas Technologies
- IPEX USA LLC
- IPKeys Power Partners
- Irby Company
- iRestore
- ISCO
- Itron, Inc.
- Itron, Inc.
- JANA Corporation
- JMS Natural Gas Consulting LLC
- Joe Knows Energy LLC
- John P. Woodyard, PE
- Jomar Valve
- Kelley Instrument Machine, Inc.
- Kentucky Laborers' District Council
- Kerotest Manufacturing Corp.
- Kiely Family of Companies
- Kimley-Horn and Associates
- Kleinfelder, Inc.
- Kobus Inc.
- KPMG LLP
- KS Energy Services
- LaFata Contract Services, LLC
- Landis + Gyr
- LASEN Inc.
- Law Offices of James D Albright
- Leak Detection Service Inc.
- Liberty Coating Company LLC
- Linestar Integrity Services
- Locusview
- Lucasys
- Luvian Partners, Inc.
- Lyall
- Lynx Mapping
- Magnolia River
- Marquette Energy Analytics
- Massachusetts Materials Tech LLC
- MasTec North America, Inc.
- MATCOR, Inc.
- Matrix Service Company
- Maxitrol Company
- MBW Incorporated
- McCarter & English, LLP
- McDonald Hopkins
- McElroy Manufacturing, Inc.
- McKinsey & Company, Inc.
- Meade
- Mears Group, Inc.
- Meter Valve & Control Inc
- Michels Corporation
- Mid Ohio Pipeline
- Milhouse Engineering and Construction, Inc.
- Miller Consulting Services
- Miller Environmental Group, Inc.
- Miller Pipeline
- Milwaukee Tool
- Minnesota Limited, LLC
- Minnesota Power
- MISTRAS Group, Inc.
- MOBILTEX Data Ltd.
- Morgan Stanley
- Morgan, Lewis & Bockius LLP
- Mosaic
- Mott MacDonald
- Mountaineer Odorant And Pickling Specialist
- Mueller Company - Gas Products Division
- Mustang Sampling
- NatGas Consulting
- National Compliance Management Service, Inc. (NCMS)
- National Underground (Phoenix, AZ)
- National Underground (Irvine, CA)
- Natural Gas Technology Center
- Navigant Consulting
- Neptune Research Inc.
- Nexient
- Nightstick
- Northwest Lineman College
- Norton McMurray Manufacturing Company
- Novaspect
- NOVARA GeoSolutions, A CHA Company
- NPL Construction Co.
- NuFlow Technologies
- Olameter
- Oliver Wyman
- OMark Inc.
- Omega Flex
- Omni Flow Computers, Inc.
- Onboard Dynamics, Inc.
- OneBridge Solutions Inc.
- Open Systems International
- Oracle Corporation
- Oracle Corporation
- Oracle Corporation
- Oracle Corporation
- Oracle Corporation
- Outrider Gas Transports
- Oxford Flow Americas, Inc.
- PA Consulting Group, Inc.
- Parsons
- Patrick Engineering
- Peak Utility Services Group
- Performance Pipe, Div. of Chevron Phillips Chemical Company LP
- Pergam Technical Services
- Phillips Lytle LLP
- PI Confluence, Inc.
- Picarro Inc.
- Pietro Fiorentini USA
- Pike Gas Services, LLC
- Pipe Strong, LLC
- Pipeline Conditioning, LLC
- Pipeline Equipment Resource Company
- Pipeline Plastics, LLC
- Pipeline Testing Consortium, Inc.
- Plastipanel Snow Shelters
- Plasson
- Plauche' Maselli Parkerson
- PLCS LLC
- Pond and Company
- Post & Schell, P.C.
- Praemia Inc.
- Precision Pipeline Solutions, LLC
- Primoris Distribution Services
- Probe Technologies
- Progressive Pipeline Management
- Qi2 Elements
- Quantum Fuel Systems LLC
- QM3 Utility Services, Inc
- R.A. Hoffman Engineering, PC
- RBC Resources LLC
- RCP Inc.
- REEThink, Inc.
- Regions Securities, LLC
- RegSafe (no website)
- Regulated Capital Consultants, LLC
- Reliable Manufacturing Company
- Renaissance Global Services LLC
- Rettew Associates, Inc.
- RMG Americas, Inc.
- Robert H. Peterson Company
- Robert J. Devereaux Corporation, Inc.
- Roland Berger LP
- Roman E&G Corp (no website)
- Romet Limited
- ROSEN Group
- Roxtec Inc.
- Roux Associates Inc.
- Rummel, Klepper & Kahl, LLP
- Sanborn, Head & Associates, Inc.
- Sander Resources
- Sargent & Lundy, L.L.C
- Schneider Electric
- ScottMadden, Inc.
- SDI Presence LLC
- Seiler Instrument
- Senia
- Sensit Technologies
- Sensus, a xylem brand
- Shactee Engineering LLC
- Shell Polymers
- Shelter Works
- Siargo, Inc.
- SICK, Inc.
- Sidock Group, Inc.
- Silver Needle, Inc.
- SiteWise LLC
- SLR International
- Smartapp.com
- Smith-Blair, Inc.
- Sterling Engineering
- Southeast Connections, LLC
- Southern Cross
- Southwest Research Institute
- SpectraSensors, Inc.
- Sparrow Detect, Inc.
- Spotlight Energy LLC
- Stabilis LNG
- Stake Center Locating
- Standby Systems, Inc.
- Stantec
- STATS International Inc
- Steptoe & Johnson PLLC
- Storti Quality
- STRATOCOM Solutions
- Stream-Flo Industries
- Structural Integrity Associates, Inc.
- Subsite Electronics
- Suburban Consulting Engineers, Inc.
- Surveying And Mapping, LLC
- Sunbelt Marketing
- Superior Pipeline Services
- SW Services, LLC
- T.D. Williamson, Inc.
- Tansley Associates Environmental Sciences
- Teco Americas
- Tecvalco Ltd.
- Teel Plastics Inc.
- The Lisbon Group, LLC
- Timberline Tool
- TMCo, Inc.
- Total Energy Corp.
- TRC
- T. Rowe Price Group
- Trenton Corporation
- Trico Surveying and Mapping Inc.
- Trimble Energy
- TRUVAC by Vactor Manufacturing
- TT Technologies, Inc.
- Tubis LLC
- UDC
- ULC Robotics
- UMS Group Inc.
- Unconventional Gas Solutions
- Underground Construction Co., Inc.
- Unearth
- United Poly Systems
- Universal Vortex, Inc.
- UPSCO Inc.
- Urbint
- USIC
- Utilicor Technologies Inc.
- Utilities and Industries
- UtiliQuest LLC
- Utilities International, Inc.
- Utility Line Services, Inc.
- Utilligent
- Valtronics and Mustang Sampling
- Vector Force Development, LLC
- Vega Energy Partners Ltd.
- Vermeer Corporation
- Victaulic Company
- Volkert
- Wade Trim
- Waste Management
- Wesco | Anixter
- West Monroe
- WFMS, Inc.
- Whitman Consulting Organization, Inc.
- Williams Furnace Company
- WL Plastics Corp.
- World Wide Nondestructive Testing
- Wright & Talisman, P.C.
- WSB
- WSP USA
- XONA Systems, Inc.
- YZ Systems, Inc.
- Zahroof Valves
- Air-Conditioning, Heating and Refrigeration Institute
- Alabama Natural Gas Association
- American Public Gas Association
- Arkansas Gas Association
- Canadian Gas Association
- Energy Association of Pennsylvania
- Florida Natural Gas Association
- Illinois Energy Association
- Indiana Energy Association, Inc.
- Interstate Natural Gas Association of America
- Iowa Natural Gas Association
- Kentucky Gas Association
- Michigan Electric & Gas Association
- Midwest ENERGY Association
- Missouri Energy Development Association
- National Propane Gas Association
- New Jersey Utilities Association
- New Mexico Oil & Gas Association
- Northeast Gas Association
- Northwest Gas Association
- Ohio Gas Association
- Ontario Energy Association
- Southern Gas Association
- Tennessee Gas Association
- Texas Gas Association
- West Virginia Oil and Natural Gas Association
- Western Energy Institute
- Wisconsin Utilities Association
- Argentine Petroleum & Gas Institute
- Asociacion Mexicana De Gas Natural A.C.
- Austrian Association for Gas & Water Industries
- Council for Oil & Gas Industry
- Danish Gas Technical Association
- DVGW, The German Technical and Scientific Association on Gas and Water
- Energy Supply Association of Australia Limited
- French Gas Association
- Institution of Gas Engineers & Managers
- International Gas Union
- Natural Gas Society
- Petroleum Institute of Pakistan
- Polish Assoc. of Sanitary Engineers & Technicians
- Royal Belgium Gas Association
- Royal Dutch Gas Association - KVGN
- Swedish Gas Association
- Swiss Gas and Water Industry Association
- The Japan Gas Association
- The Korea Gas Union