| Hawkeye NGL Pipeline - McKenzie&Williams | Hess North Dakota Pipelines LLC | ND | | |
| Haynesville Expansion Project | Regency Energy Partners LP | LA | In service 2010 | |
| Haynesville/Perryville Expansion Project | Gulf South Pipeline Company, LLC | LA | In service 2010 | |
| Haystack Compressor Station | | AZ | | |
| Header Pipeline Lease Agreement | Palo Duro Pipelines (Texas Gathering), L | OK, TX | | |
| Heartland Extension Project | Eastern Gas Transmission and Storage, Inc. | OH, PA, WV | 2024 | |
| Heartland Project | ANR Pipeline Company | IL, WI | | |
| Heating Value and Wobbe Index Reduction Project | Distrigas of Massachusetts LLC | MA | | |
| Heilman LP Pipeline | Antero Midstream LLC | WV | | |
| Heintzman Pipeline | Antero Midstream LLC | WV | | |
| Helis Oil & Gas coastal use permit P19960206 pipeline | Helis Oil & Gas Company, L.l.c. | LA | | |
| Helis Oil & Gas coastal use permit P19971227 pipeline | Helis Oil & Gas Company, L.l.c. | LA | | |
| Helis Oil & Gas coastal use permit P20030900 pipeline | Helis Oil & Gas Company, L.l.c. | LA | | |
| Helis Oil & Gas coastal use permit P20060488 pipeline | Helis Oil & Gas Company, L.l.c. | LA | | |
| Helis Oil & Gas coastal use permit P20090441 pipeline | Helis Oil & Gas Company, L.l.c. | LA | | |
| Helis Oil & Gas coastal use permit P20090864 pipeline | Helis Oil & Gas Company, L.l.c. | LA | | |
| Helis Oil & Gas coastal use permit P20101604 pipeline | Helis Oil & Gas Company, L.l.c. | LA | | |
| Helis Oil & Gas coastal use permit P20110395 pipeline | Helis Oil & Gas Company, L.l.c. | LA | | |
| Helis Oil & Gas coastal use permit P20110526 pipeline | Helis Oil & Gas Company, L.l.c. | LA | | |
| Helis Oil & Gas coastal use permit P20130728 pipeline | Helis Oil & Gas Company, L.l.c. | LA | | |
| Helis Oil & Gas coastal use permit P20150726 pipeline | Helis Oil & Gas Company, L.l.c. | LA | | |
| Hemlock and Wheelerville | | PA | | |
| Henderson County Expansion Project | Texas Gas Transmission, LLC | IN, KY | In service 2024 | |
| Henderson-Dogtown 8-Line Project | Texas Gas Transmission, LLC | IN, KY | | |
| Henry Gas Storage PF08-28 | Henry Gas Storage LLC | | | |
| Hereford Ranch Compressor Station (Trailblazer Conversion Project) | Rockies Express Pipeline LLC | CO | 2024 | |
| Herscher Discharge Line Project | Natural Gas Pipeline Company of America LLC | IL | Started 2023 | |
| Herscher Galesville Storage Expansion Project | Natural Gas Pipeline Company of America LLC | IL | | |
| Hi Fields Lateral | Southeast Supply Header, LLC | AL, MS | In service 2009 | |
| HiLight Plant | | WY | In service 1997 | |