| Grady Yard Compressor Station | Compressor station | Grady County, OK | Streamline Midstream Inc. | |
| Graham Compressor Station | Compressor station | Carter County, OK | Enerfin Resources I Limited Partnership | |
| Graham Lake | Underground storage | Muhlenberg County, KY | Texas Gas Transmission, LLC | In service |
| Grama Ridge | Underground storage | Lea County, NM | Enstor Grama Ridge Storage & Transp | In service |
| Grand Bayou | Underground storage | Assumption Parish, LA | Pontchartrain Natural Gas System | In service |
| Grand Cheniere | Gas processing plant | Cameron Parish, LA | Kinetica Partners, LLC | In service |
| Grandview | Underground storage | Daviess County, KY | Atmos Energy Inc | In service |
| Grandview Compressor Station | Compressor station | Canadian County, OK | ET Gathering & Processing, LLC | |
| Granger Gas Plant | Gas processing plant | Sweetwater County, WY | Anadarko Petroleum Corp, WGR Operating, LP | In service |
| Grass Creek | Underground storage | Cass County, IN | Northern Indiana Public Service Co | |
| Grasslands Gas Plant | Gas processing plant | Mckenzie County, ND | ONEOK Inc. | |
| Grasslands Natural Gas Processing Plant | Gas processing plant | McKenzie County, ND | ONEOK Inc. | In service |
| Gravel Point | Gas processing plant | DeSoto Parish, LA | Aethon Energy Operating LLC | In service |
| Gray County Plant | Gas processing plant | Gray County, TX | ETC Field Services LLC | In service |
| Grayson Compressor Station | Compressor station | Okmulgee County, OK | Enerfin Gathering-East LLC | |
| Greasy Creek Compressor Station | Compressor station | Sequoyah County, OK | ET Gathering & Processing, LLC | |
| Great Basin Transmission Lovelock LNG | LNG peak-shaving or storage | NV | Great Basin Transmission Co. | In service |
| Great Divide Compressor Station | Compressor station | Kingfisher County, OK | Bce-Mach III Midstream Holdings LLC | |
| Great Salt Plains Midstream Gas Thunderbird Compressor Station | Compressor station | Major County, OK | Great Salt Plains Midstream Gas LLC | |
| Greeley Gas Plant | Gas processing plant | Kern County, CA | Crimson Resource Management Corp | In service |
| Greeley Plant | Gas processing plant | Weld County, CO | DCP Operating Company, LP | In service |
| Greenfield Booster Station | Compressor station | Blaine County, OK | DCP Operating Company, LP | |
| Greenfield Compressor Station | Compressor station | Blaine County, OK | ET Gathering & Processing, LLC | |
| Greenlick | Underground storage | Clinton County, PA | Dominion Energy Transmission Co | In service |
| Greens Port Crude By Rail terminal | Terminal | TX | Greens Port Crude By Rail | |
| Greenwood | Underground storage | Steuben County, NY | Columbia Gas Transmission, LLC | |
| Grey Badger | Gas processing plant | Carson County, TX | Midstream Energy Services, LLC | In service |
| Greylock Midstream, LLC, Yawkey Freeman Dog Fork | Compressor station | WV | | |
| Grieve Gas Plant | Gas processing plant | WY | | |
| Griever Compressor Station | Compressor station | Major County, OK | Targa Pipeline Midcontinent Westok LLC | |
| Growmark Amboy terminal | Terminal | IL | Growmark Inc | |
| Growmark Ashkum terminal | Terminal | IL | Growmark Inc | |
| Growmark Fort Dodge terminal | Terminal | IA | Growmark Inc | |
| Growmark Fort Madison terminal | Terminal | IA | Growmark Inc | |
| Growmark Menard terminal | Terminal | IL | Growmark Inc | |
| Growmark Meredosia terminal | Terminal | IL | Growmark Inc | |
| Growmark Plattsburg terminal | Terminal | IA | Growmark Inc | |
| Growmark Wathena terminal | Terminal | KS | Growmark Inc | |
| Grunder Run Plant | Gas processing plant | Warren County, PA | KCS Energy, Inc. | In service |
| Gsbi Plant 49 Dba Red River Brick | Gas processing plant | Canadian County, OK | General Shale Brick, Inc | |
| Gsbi Plant 68 Dba Red River Brick | Gas processing plant | Muskogee County, OK | General Shale Brick, Inc | |
| Guernsey | Underground storage | Guernsey County, OH | Columbia Gas Transmission, LLC | In service |
| Guernsey Terminal | Terminal | WY | | |
| Gulf Coast Energy North Houston terminal | Terminal | TX | Gulf Coast Energy Inc | |
| Gulf LNG | LNG import terminal | MS | | In service |
| Gulf Oil Chelsea terminal | Terminal | MA | Gulf Oil LP | |
| Gulf Oil Linden terminal | Terminal | NJ | Gulf Oil LP | |
| Gulf Oil New Haven terminal | Terminal | CT | Gulf Oil LP | |
| Gulf Oil S Portland terminal | Terminal | ME | Gulf Oil LP | |
| Gulf Oil Woodbury terminal | Terminal | NJ | Gulf Oil LP | |