- Energy Solutions Inc
- Enersea Transport
- Enersea Transport
- Enron Gas Pipeline Operating
- Enron Gas Pipeline Operating
- Enserch Energy Svc
- Envantage Inc
- Envantage Inc
- Equitable Production
- Equitable Production
- Esinel Energy Co
- Esperanza Gas Transmission
- Esperanza Gas Transmission
- Excel Resources
- Excel Resources
- Exelon Energy
- Exxon Mobil Fuels Marketing Co
- Falcon Gas Storage Co Inc
- Fellon-Mc Cord & Assoc & Const
- First Utility District
- Fitzco A/C Svc
- Flatrock Energy Partners
- Flatrock Energy Partners
- Florida Gas Transmission Co
- Florida Gas Transmission Co
- Florida Gas Transmission Co
- Florida Public Utilities Co
- Fort Hill Natural Gas
- Fort Hill Natural Gas Auth
- Frederick Gas Div
- Fuelmaker
- Gas Compression Svc Inc
- Gas Compression Svc Inc
- Gas Piping Installations
- Gas Price Report
- Gas Price Report
- Gas Price Report
- Gas Utility Dist #1
- Gas Utility District #1
- Gasco Distribution System Inc
- Gaslantic Corp
- Georgia Natural Gas Co
- Getty Natural Gas Corp
- Giant Petroleum
- Gibson County Gas Utility Dist
- Global Productions
- Global Productions
- Got Inc
- Got Inc
- Graves Analytical Svc LLC
- Great Plains Gas Compression
- Groebner & Assoc Inc
- Gulf Coast Svc
- Gulf Coast Svc
- Gulf Pacific Natural Gas Inc
- Hagansville Gas Dept
- Hanover Compression
- Hanover Compression
- Hanover Compression
- Hanover Speaks Plant
- Hardeman-Fayette Utility
- Harmon Fuel Piping
- Hartsville Gas Co
- Heritage Propane
- Hilcorp Energy Co
- HNG Storage Co
- HNG Storage Co
- HNG Storage Co
- HNG Storage Co
- Houston Energy Svc
- Houston Energy Svc
- Houston Energy Svc LLC
- Houston Energy Svc LLC
- Huber All American Energy
- Humphreys County Natural Gas
- IGI Resources
- Illinois Municipal Gas Agency
- Intercon Gas Inc
- Intercon Gas Inc
- Interstate Gas Supply
- Interstate Gas Supply Inc
- Interstate Natural Gas
- Interstate Natural Gas
- Interstate Natural Gas
- Interstate Natural Gas
- Interstate Natural Gas
- Interstate Natural Gas Co
- J M & Ral Energy Inc
- J M & Ral Energy Inc
- James Stubblefield
- James Stubblefield
- Jefferson Gas Transmission
- Jefferson-Cocke County Gas
- Jm & Ral Energy Inc
- Jm & Ral Energy Inc
- John Ochsner Inc
- Jointly Owned Natural Gas
- Kalotra Cryogenic Svc
- Kansas Energy Partners
- Kentucky West Virginia Gas Co
- Keystone Gas Corp
- Kimball Resources Inc
- Kimball Resources Inc
- Kimball Resources Inc
- Kimball Trading Co LLC
- Kimball Trading Co LLC
- Kimball Trading Co LLC
- Kinder Morgan Inc
- Kinder Morgan Inc
- Kinzer Drilling Co
- Lake Apopka Natural Gas
- Lake Apopka Natural Gas Dist
- Lake County Utility District
- Las Animas Pipeline
- Legend Natural Gas
- Legend Natural Gas
- Legend Natural Gas
- Linde Gas Inc
- LLC
- Louisville Gas & Electric Co
- Magnum Gas Marketing LLC
- Marion Natural Gas System
- Marion Natural Gas System
- Mark West Pinnacle
- Mark West Pinnacle
- Mark West Pinnacle
- Mark West Pinnacle
- Mark West Pinnacle
- Markham Gas Corp
- Marlin CNG Svc
- Marshall County Gas District
- Marshall County Gas District
- Marshall County Gas District
- MGH Marketing Co
- MHP
- MHP
- Mid Con Compression
- Mid Louisiana Gas Co
- Middle Tennessee Natural Gas
- Midwestern Gas Transmission Co
- Midwestern Gas Transmission Co
- Midwestern Gas Transmission Co
- Midwestern Gas Transmission Co
- Midwestern Gas Transmission Co
- Midwestern Gas Transmission Co
- Mississippi Gas Corp Syst
- Mississippi River Gas Co
- Mississippi River Gas LLC
- Missouri Natural Gas Co
- Mo Natural Gas
- Mobile Gas Svc Corp
- Mud River Gas
- Municipal Gas Authority Of Ga
- Mx Energy
- MXENERGY.COM
- National Energy & Trade LLC
- Natural Fuels Co LLC
- Natural Gas Odorizing Inc
- Natural Gas Of Kentucky Inc
- Natural Gas Partners
- Natural Gas Pipeline Co
- Natural Gas Pipeline Co
- Natural Gas Pipeline Co
- Natural Gas Pipeline Co
- Natural Gas Pipeline Co
- Natural Gas Pipeline Co
- Natural Gas Pipeline Co
- Natural Gas Solutions
- Natural Gas Source Inc
- Natural Gas Source Inc
- New Mexico Natural Gas
- New Mexico Natural Gas
- New Waskom Natural Gas Co
- Nezpique Gas Co
- NGL.COM
- NGTS LLC
- Nine Inc
- Nordic Energy Svc
- North Alabama Gas District
- North Alabama Gas District
- North Carolina Natural Gas
- North Carolina Natural Gas
- North Carolina Natural Gas
- North Carolina Natural Gas
- North Carolina Natural Gas
- North Texas Gas
- North Texas Gas
- North Texas Gas
- Northern Natural Gas Co
- Northern Osage Gas Assoc
- Northern Pipeline Construction
- Northern Plain Natrl Gas Co
- Northern Utilities Inc
- Northwest Alabama Gas Distict
- Northwest Natural Gas Co
- Oak Hill Pipeline
- Oasis Pipe Line Co
- Oasis Pipe Line Co
- Oasis Pipeline Co
- Oklahoma Natural Gas Co
- Omimex Canada LTD
- Oneok Field Svc
- Oneok Gas Transmission
- Oneok Gas Transportation
- ORUD
- Ota Compression
- Otter Tail Energy Svc Co
- Ozark Gas
- Ozark Gas Pipeline Corp
- Pacesetter Energy Inc
- Palatka Gas Authority
- Panhandle Eastern Pipe Line Co
- Patten Energy Enterprise
- PEPCO
- Pepco Gas
- Petro Mart
- Petro-Chem Inspections
- Petroleum Resource Management
- Piedmont Natural Gas
- Piedmont Natural Gas Co
- Pierre Part Natural Gas Co
- Pine Needle Operating Co
- Pinnacle Natural Gas Co
- Pipeline Maintenance
- PNE
- Potomac Air Gas Inc
- Powell-Clinch Utility District
- Praxair Inc
- Prescott's Gas Co
- Pride Of Lake County
- Primos Production
- Prior Energy Corp
- Prior Energy Corp
- Pro Compression Inc
- Production Operators Inc
- PSNC Energy
- Quantum Energy Svc LLC
- Questar Corp
- R W Lyall & Co
- Rainbow Pipeline
- Range Pipeline
- Red Willow Production Co
- Reese Energy Consulting Inc
- Reese Energy Consulting Inc
- Regency Gas
- Reliant Energy
- Reliant Energy
- Reptec
- Reptec
- Richardson Energy Marketing
- Richmond Mechanical Svc Inc
- River Region Propane Gas
- San Felipe Pipeline
- San Felipe Pipeline
- Sanders & Assoc
- Santanna Natural Gas Corp
- Scissortail Energy
- Scott Petroleum Corp
- SEI Energy
- Sei Energy
- Seminole Energy Svc
- Seminole Energy Svc LLC
- Seminole Energy Svc LLC
- Service Tech
- SGS Inc
- Shamrock Energy Corp
- Shell Energy
- Shoreline Gas
- Silver Moon Gas & AC CO
- Smith Production Inc
- South Carolina Electric & Gas
- South Carolina Electric & Gas
- South Carolina Electric & Gas
- South Carolina Electric & Gas
- South Carolina Electric & Gas
- South Carolina Electric & Gas
- South Carolina Electric & Gas
- South Carolina Electric & Gas
- South Ga Natural Gas
- South Georgia Natural Gas Co
- South Georgia Natural Gas Co
- South Jersey Industries Inc
- Southeast Alabama Gas District
- Southeast Alabama Gas District
- Southern Gas Svc Inc
- Southern Natural Gas
- Southern Natural Gas
- Southern Natural Gas Co
- Southern Natural Gas Co
- Southern Natural Gas Co
- Southern Natural Gas Co
- Southern Natural Gas Co
- Southern Natural Gas Co
- Southern Natural Gas Co
- Southern Natural Gas Co
- Southern Natural Gas Co
- Southern Natural Gas Co
- Southern Natural Gas Co
- Southern Natural Gas Co
- Southern Natural Gas Co