| Natl Fuel Gas Supply Corp/omnis Metering Fac | Compressor station | Greene County, PA | National Fuel Gas Supply Corporation | |
| Natl Fuel Gas Supply Corp/van Station | Compressor station | Venango County, PA | National Fuel Gas Supply Corporation | |
| Natl Fuel Gas Supply/bowen Comp Sta | Compressor station | Elk County, PA | National Fuel Gas Supply Corporation | |
| Natrium Extraction and Fractionation Plant | Gas processing plant | Marshall County, WV | Blue Racer Midstream, LLC | In service |
| Natural Compressor Station | Compressor station | Grady County, OK | Blue Mountain Midstream LLC | |
| Navajo CDP | Compressor station | NM | Hilcorp Energy Company | |
| Naval Petroleum Reserve #3 Gas Plant | Gas processing plant | WY | | |
| Nbu 24 Tank Battery North Burbank CO2 Compressor Facility | Compressor station | Osage County, OK | Capturepoint LLC | |
| Ne Wilburton Compressor Station | Compressor station | Latimer County, OK | ET Gathering & Processing, LLC | |
| Neale | Gas processing plant | Beauregard Parish, LA | Texas Petroleum Investment Company | In service |
| Nederland Terminal | Terminal | TX | | |
| Nella Oran Booster | Compressor station | Texas County, OK | Scout Energy Management LLC | |
| Nelson A 1 Compressor Site | Compressor station | Haskell County, OK | Merit Energy Company | |
| Neptune Gas Plant | Gas processing plant | St. Mary Parish, LA | Enterprise Gas Processing, LLC | In service |
| Nesson | Gas processing plant | ND | Nesson Gathering Systems, LLC | |
| Nesson Plant | Gas processing plant | Williams County, ND | Nesson Gathering System, LLC | In service |
| New Haven Terminal East | Terminal | CT | New Haven Terminal Inc | |
| New Haven terminal | Terminal | CT | New Haven Terminal Inc | |
| New Home Dome | Underground storage | Adams County, MS | Leaf River Energy Center LLC | In service |
| New Hope | Gas processing plant | Franklin County, TX | Enbridge G & P (East Texas) L.P. | In service |
| New York Storage | Underground storage | Clay County, TX | Atmos Pipeline - Texas | In service |
| Newberry Plant | Gas processing plant | Midland County, TX | | |
| Newcastle Complex | Gas processing plant | Weston County, WY | Mac Midstream, LLC, Western Gas Partners, LP | In service |
| Newell Coach Miami Plant | Gas processing plant | Ottawa County, OK | Newell Coach Corp | |
| Newman Compressor Station | Compressor station | Pittsburg County, OK | Markwest Oklahoma Gas Company, LLC | |
| Newman Scipio Compressor Station | Compressor station | Pittsburg County, OK | Markwest Oklahoma Gas Company, LLC | |
| Newport Terminal | Terminal | MN | Newport Terminal Corporation | |
| Newsom 4r/400 CDP | Compressor station | NM | Hilcorp Energy Company | |
| Nic Holding North Holtsville Terminal | Terminal | NY | Nic Holding Corp | |
| Nightengale Compressor Station | Compressor station | Major County, OK | Bce-Mach LLC | |
| Nikiski Fuel terminal | Terminal | AK | Nikiski Fuel LLC | |
| Niles Compressor Station | Compressor station | Canadian County, OK | Validus Midstream LLC | |
| Nine Mile Gas Plant | Gas processing plant | Dewey County, OK | Enbridge G & P (Oklahoma), L.P., Oneok Field Services Inc | In service |
| Ninnekah Compressor Station | Compressor station | Grady County, OK | ET Gathering & Processing, LLC | |
| Niobrara Crude Terminal | Terminal | CO | | |
| Norge Booster Sta | Compressor station | Grady County, OK | Midcon Energy Operating LLC | |
| Norge Line Creek Compressor Station | Compressor station | Grady County, OK | DCP Operating Company, LP | |
| Norman Plant | Gas processing plant | Cleveland County, OK | Avara Pharmaceutical Technologies | |
| Norse Gas Plant | Gas processing plant | Divide County, ND | Hiland Partners, Kinder Morgan | In service |
| Nortek Okarche Plant | Gas processing plant | Kingfisher County, OK | Nortek Air Solutions | |
| North Ajax Compressor Station | Compressor station | Lincoln County, OK | Petrolink Energy LLC | |
| North Alig Compressor Station | Compressor station | Kingfisher County, OK | Oneok Field Services Inc | |
| North Alva 2 Compressor Station | Compressor station | Woods County, OK | Williams Midstream Gas Services LLC | |
| North Alva Compressor Station | Compressor station | Woods County, OK | Targa Pipeline Midcontinent Westok LLC | |
| North Beach Plant | Gas processing plant | Conecuha County, AL | Plains Gas Solutions, LLC | In service |
| North Bloomer Compressor Station | Compressor station | Major County, OK | Oneok Field Services Inc | |
| North Booster Station DHGP | Compressor station | Kingfisher County, OK | Mustang Gas Products, LLC | |
| North Bradley Compressor Station | Compressor station | Grady County, OK | DCP Operating Company, LP | |
| North Compressor Station | Compressor station | Seminole County, OK | Petrolink Energy LLC | |
| North Eunice GP | Gas processing plant | NM | Chevron U.s. A. Inc. | |