| Buffalo Creek | Gas processing plant | Roger Mills County, OK | Markwest Oklahoma Gas Company, LLC | In service |
| Buffalo Valley Compressor Station | Compressor station | NM | DCP Operating Company, LP | |
| Bufford Compressor Station | Compressor station | Logan County, OK | ET Gathering & Processing, LLC | |
| Bull Creek Compressor Station | Compressor station | Osage County, OK | Osage Hills Pipeline Company, LLC | |
| Bumpass Booster Station | Compressor station | Carter County, OK | DCP Operating Company, LP | |
| Bunce CDP | Compressor station | NM | Hilcorp Energy Company | |
| Bunker Hill | Underground storage | Fremont County, WY | Black Hills Energy | In service |
| Bunola | Underground storage | Allegheny County, PA | Equitrans, L.P. | In service |
| Burkhart Booster Station | Compressor station | Texas County, OK | Crown Midstream LLC | |
| Burlington Compressor Station | Compressor station | Alfalfa County, OK | ET Gathering & Processing, LLC | |
| Burns Compressor Station | Compressor station | Canadian County, OK | Oneok Field Services Inc | |
| Burns Flat Compressor Station | Compressor station | Washita County, OK | ET Gathering & Processing, LLC | |
| Burns Flat South Compressor Station | Compressor station | Washita County, OK | ET Gathering & Processing, LLC | |
| Burns Point Gas Plant | Gas processing plant | St. Mary Parish, LA | Enterprise Gas Processing, LLC | In service |
| Burnt Mesa Pad Pod | Compressor station | NM | Hilcorp Energy Company | |
| Burnt Wagon Gas Plant | Gas processing plant | WY | | |
| Burton Flats Booster Station | Compressor station | NM | DCP Operating Company, LP | |
| Burtschi Compressor Station | Compressor station | Grady County, OK | ET Gathering & Processing, LLC | |
| Button Booster Station | Compressor station | Canadian County, OK | DCP Operating Company, LP | |
| Butzer Compressor Station | Compressor station | Latimer County, OK | Enerquest Oil And Gas LLC | |
| Byars Lake Compressor Station | Compressor station | Mcclain County, OK | Enable Gas Transmission, LLC | |
| Byron Compressor Station | Compressor station | Alfalfa County, OK | Targa Pipeline Midcontinent Westok LLC | |
| C 2 Compressor Station | Compressor station | Roger Mills County, OK | Palo Duro Pipelines (texas Gathering), L.p. | |
| C 8 Compressor Station | Compressor station | Roger Mills County, OK | Palo Duro Pipelines (texas Gathering), L.p. | |
| C M Morris C 1 CDP | Compressor station | NM | Hilcorp Energy Company | |
| C-1 CS | Compressor station | NM | Southern Union Gas Services, LTD | |
| C-2 CS | Compressor station | NM | Southern Union Gas Services, LTD | |
| C-3 CS | Compressor station | NM | Southern Union Gas Services, LTD | |
| C-4 CS | Compressor station | NM | Southern Union Gas Services, LTD | |
| C-Portstone Port Fourchon 2 terminal | Terminal | LA | C-Portstone LLC | |
| C-Portstone Port Fourchon terminal | Terminal | LA | C-Portstone LLC | |
| CCI San Juan LLC | Gas processing plant | San Juan County, NM | El Paso Natural Gas Company, L.L.C., Western Gas Resources Inc | In service |
| CGU Cordona Lake Plant | Gas processing plant | Crane County, TX | Xto Energy Inc | In service |
| CHS Chippewa Falls terminal | Terminal | WI | CHS Inc | |
| CHS Glendive terminal | Terminal | MT | CHS Inc | |
| CHS McFarland terminal | Terminal | WI | CHS Inc | |
| CHS Minot terminal | Terminal | ND | CHS Inc | |
| CNX Midstream Operating Co, LLC, Wadestown 5 M&R | Compressor station | WV | | |
| CNX Midstream Operating Company LLC, Shirley Station | Compressor station | WV | | |
| CNX Midstream Operating Company LLC, Wadestown 5 Compressor Stn | Compressor station | WV | | |
| COLT Hub | Terminal | ND | | |
| CP2 LNG | LNG export terminal | Cameron Parish, LA | | Under construction |
| CW Matthews Contracting Rockmart terminal | Terminal | GA | CW Matthews Contracting Co Inc | |
| CZ LGL Station | Compressor station | NM | Eog Resources Inc | |
| Cable Compressor Station | Compressor station | Pittsburg County, OK | Petrolink Energy LLC | |
| Cabresto Compressor Station | Compressor station | NM | Harvest Four Corners, LLC | |
| Caddo Sales Compressor Station | Compressor station | Canadian County, OK | Oneok Field Services Inc | |
| Cadeville | Underground storage | Ouachita Parish, LA | Cadeville Gas Storage LLC | In service |
| Cadiz Plant | Gas processing plant | Harrison County, OH | Markwest Liberty Midstream & Resources, LLC | In service |
| Cairo | Underground storage | Louisa County, IA | Natural Gas Pipeline Company of America LLC | In service |