| Georgia-Pacific Effingham County Delivery Point | Carolina Gas Transmission, LLC | GA | | |
| Gettysburg Compressor Station Replacement | Columbia Gas Transmission, LLC | PA | | |
| Ghost Chili Lateral | | TX | In service 2015 | |
| Giles County Project | Columbia Gas Transmission, LLC | VA | In service 2014 | |
| Gill Ranch Compressor Station | Gill Ranch Storage, LLC | CA | In service 2010 | |
| Gill Ranch Storage Lateral | Gill Ranch Storage LLC | CA | In service 2010 | |
| Gillis Access Project | TC Energy | LA | In service 2024 | |
| Gillis Compressor Station (Creole Trail Expansion) | | | | |
| Gillis Compressor Station (Driftwood Pipeline) | | LA | | |
| Gillis Compressor Units Replacement Project | Texas Eastern Transmission, LP | LA | | |
| Gillis Header Project | Cheniere Creole Trail Pipeline, L.P. | | | |
| Gillis Header Project (CP24-10) | Cheniere Creole Trail Pipeline, L.P. | LA | | |
| Gillis West Expansion Project | Transcontinental Gas Pipe Line Company, LLC | LA | | |
| Glacial Pipeline | Clarion Midstream | PA | | |
| Glass Mountain Pipeline Extension | | OK | | |
| Glen Ullin Compressor Station | Northern Border Pipeline Company | ND | 2025–2026 | |
| Glenville Compressor Station Centaur units | | WV | | |
| Goff LP Pipeline | Antero Midstream LLC | WV | | |
| Golden Pass Interconnect Project | Tennessee Gas Pipeline Company, L.L.C. | LA | | |
| Golden Pass LNG | Golden Pass LNG Project | TX | | |
| Golden Pass LNG Bidirectional Pipeline | Golden Pass Pipeline LLC | TX | In service 2026 | |
| Golden Pass LNG Terminal CP20-171 | Golden Pass LNG Terminal LLC | | | |
| Golden Pass Lateral | Golden Pass LNG Terminal LLC | TX | | |
| Golden Pass Pipeline | Golden Pass Pipeline LLC | TX, LA | In service 2010 | |
| Golden Pass Pipeline CP10-59 | Golden Pass Pipeline LLC | TX | | |
| Golden Pass Pipeline Compression Relocation and Modification Project | Golden Pass Pipeline LLC | LA | In service 2025 | |
| Golden Triangle Storage CP23-511 | Golden Triangle Storage, LLC | | | |
| Golden Triangle Storage Expansion Project | Golden Triangle Storage, LLC | TX | Started 2024 | |
| Golden Triangle Storage Project | Golden Triangle Storage, LLC | TX | 2008–2010 | |
| Gom Shelf coastal use permit P20090067 pipeline | Gom Shelf LLC | LA | | |