| Fullwood Compressor Station | Compressor station | Grady County, OK | Oneok Field Services Inc | |
| Furrow Compressor Station | Compressor station | Haskell County, OK | ET Gathering & Processing, LLC | |
| G-5 Lateral | Compressor station | NM | Hilcorp Energy Company | |
| GG Jones Booster Station | Compressor station | Creek County, OK | Skye Ok LLC | |
| GHK Compressor Station | Compressor station | Custer County, OK | ET Gathering & Processing, LLC | |
| GT Gulfway terminal | Terminal | TX | GT Gulfway LLC | |
| GT Omniport terminal | Terminal | TX | GT Logistics LLC | |
| Gabor Wertz | Underground storage | Wayne County, OH | Dominion Energy Ohio | In service |
| Gadwall Compressor Station | Compressor station | Kingfisher County, OK | Great Salt Plains Midstream Gas LLC | |
| Galbraith Storage | Underground storage | Jefferson County, PA | National Fuel Gas Supply Corporation | In service |
| Galena Booster Station | Compressor station | Woods County, OK | DCP Operating Company, LP | |
| Gallagher Compressor Station | Compressor station | Payne County, OK | Tom-Stack | |
| Gallegos Compressor Station | Compressor station | NM | Harvest Four Corners, LLC | |
| Gallup Station 6 CS | Compressor station | NM | Transwestern Pipeline Company, LLC | |
| Galt MN F CDP | Compressor station | NM | Hilcorp Energy Company | |
| Gamble Hayden | Underground storage | Allegheny County, PA | Equitrans, L.P. | In service |
| Garden Creek I Gas Plant | Gas processing plant | Mckenzie County, ND | ONEOK Inc. | |
| Garden Creek II Gas Plant | Gas processing plant | Mckenzie County, ND | ONEOK Inc. | |
| Garden Creek III Gas Plant | Gas processing plant | Mckenzie County, ND | ONEOK Inc. | |
| Garden Creek Natural Gas Processing Plant | Gas processing plant | McKenzie County, ND | ONEOK Inc. | In service |
| Gardner 2a CDP | Compressor station | NM | Hilcorp Energy Company | |
| Gardner C2-2 CDP | Compressor station | NM | Hilcorp Energy Company | |
| Gardner C3-3 CDP | Compressor station | NM | Hilcorp Energy Company | |
| Gardner C3a-3a CDP | Compressor station | NM | Hilcorp Energy Company | |
| Gardner C5-5 CDP | Compressor station | NM | Hilcorp Energy Company | |
| Gardner C6a-4a CDP | Compressor station | NM | Hilcorp Energy Company | |
| Garland Gas Plant | Gas processing plant | Park County, WY | Merit Energy Company | In service |
| Gates Compressor Station | Compressor station | Roger Mills County, OK | Markwest Oklahoma Gas Company, LLC | |
| Gateway Resources USA Cimarron Compressor Station | Compressor station | Rogers County, OK | Gateway Resources USA Inc | |
| Gateway Terminals Sauget | Terminal | IL | Gateway Terminals LLC | |
| Geary Base Sales Compressor Station | Compressor station | Blaine County, OK | Oneok Field Services Inc | |
| Geary Booster Station | Compressor station | Blaine County, OK | DCP Operating Company, LP | |
| Geary Compressor Station | Compressor station | Canadian County, OK | ET Gathering & Processing, LLC | |
| Gem 1 CDP | Compressor station | NM | Hilcorp Energy Company | |
| Gene Autry Compressor Station | Compressor station | Carter County, OK | Targa Pipeline Midcontinent LLC | |
| Geo Compressor Station | Compressor station | Creek County, OK | Petrolink Energy LLC | |
| Geyer Compressor Station | Compressor station | Pottawatomie County, OK | Enerfin Gathering-East LLC | |
| Gibsland Salt Dome LPG Storage | Underground storage | LA | | |
| Gibson Plant | Gas processing plant | Terrabone Parish, LA | Enlink LIG Liquids, LLC | In service |
| Gilcrease Compressor Station | Compressor station | Osage County, OK | Northeast Shelf Energy LLC | |
| Gilcrest Plant | Gas processing plant | Weld County, CO | AKA Eenergy Group | In service |
| Gill Compressor Station | Compressor station | Garvin County, OK | DCP Operating Company, LP | |
| Gill Ranch | Underground storage | Madera County, CA | Gill Ranch Storage LLC | In service |
| Gillis Gas Plant | Gas processing plant | Calcasieu Parish, LA | Targa Field Services LLC | In service |
| Gilmore Natural Gas Plant | Gas processing plant | Hidalgo County, TX | Enterprise Hydrocarbons LP | In service |
| Glady | Underground storage | Randolph County, WV | Columbia Gas Transmission, LLC | In service |
| Glasford Storage Field | Underground storage | Coles County, IL | Ameren Illinois Company | In service |
| Glass Mountain Booster | Compressor station | Major County, OK | DCP Operating Company, LP | |
| Glenpool (Creek) Plant | Gas processing plant | Jenks County, OK | Kinder Morgan (Scissortail Energy LLC) | In service |
| Global Bridgeport terminal | Terminal | CT | Global Co LLC | |