| Schwerdtfeger 5 CDP | Compressor station | NM | Hilcorp Energy Company | |
| Schwerdtfeger A 3m CDP | Compressor station | NM | Hilcorp Energy Company | |
| Schwerdtfeger A LS 13 CDP | Compressor station | NM | Hilcorp Energy Company | |
| Schwerdtfeger A LS 14 CDP | Compressor station | NM | Hilcorp Energy Company | |
| Sciota | Underground storage | Mcdonough County, IL | Ameren Illinois Company | In service |
| Scott E Federal 22 32 CDP | Compressor station | NM | Hilcorp Energy Company | |
| Scott E Federal CDP 4 | Compressor station | NM | Hilcorp Energy Company | |
| Scout Compressor Station | Compressor station | Woods County, OK | ET Gathering & Processing, LLC | |
| Scout Ridge Compressor Station | Compressor station | Roger Mills County, OK | Palo Duro Pipelines (texas Gathering), L.p. | |
| Se Reams Compressor Station | Compressor station | Pittsburg County, OK | ET Gathering & Processing, LLC | |
| Sea Robin Gas Processing Plant | Gas processing plant | Vermillion Parish, LA | Enterprise Gas Processing, LLC | In service |
| Sea-3 Newington terminal | Terminal | NH | Sea-3 LLC | |
| Sea-3 Providence Providence terminal | Terminal | RI | Sea-3 Providence LLC | |
| Seaport Canaveral Cape Canaveral terminal | Terminal | FL | Seaport Canaveral Corp | |
| Seaport Sound Terminal Sound | Terminal | WA | Seaport Sound Terminal, LLC | |
| Section 13 Compressor Station | Compressor station | Pittsburg County, OK | Markwest Oklahoma Gas Company, LLC | |
| Section 26 Compressor Station | Compressor station | Loving County, TX | | |
| Section 28 Salt Dome LPG Storage | Underground storage | LA | | |
| Segno Drip | Compressor station | Polk County, TX | | |
| Seiling Booster Station | Compressor station | Major County, OK | DCP Operating Company, LP | |
| Seiling Compressor Station | Compressor station | Dewey County, OK | ET Gathering & Processing, LLC | |
| Sellersburg | Underground storage | Clark County, IN | Indiana Gas Company Dba Vectren | In service |
| Seminole Compressor Station | Compressor station | Seminole County, OK | Enerfin Gathering-East LLC | |
| Seminole Gas Processing Plant | Gas processing plant | Gaines County, TX | Oxy USA Inc | In service |
| Seneca Lake Storage | Underground storage | Schuyler County, NY | Arlington Gas Storage Company LLC | In service |
| Seneca NFG Midstream Owls Nest Llc/church Run Interconnect | Compressor station | Elk County, PA | Seneca Midstream Owls Nest LLC | |
| Seneca Resources Corp/phc Metering Sta | Compressor station | Clearfield County, PA | Seneca Resources Corp | |
| Sentinel Compressor Station | Compressor station | Washita County, OK | Palo Duro G And P Oklahoma LP | |
| Serena CS | Compressor station | Dimmit County, TX | | |
| Shackelford Plant | Gas processing plant | Eastland County, TX | Davis Gas Processing | In service |
| Shady Point Plant | Gas processing plant | Le Flore County, OK | Oilstone LLC | |
| Shaffer G Compressor Station | Compressor station | Texas County, OK | DCP Operating Company, LP | |
| Shamburger Lake | Gas processing plant | Smith County, TX | | |
| Shamburger Lake Plant | Gas processing plant | Smith County, TX | Valence Operating Company | In service |
| Shanghai | Underground storage | Logan County, IL | Ameren Illinois Company | In service |
| Sharon | Underground storage | Potter County, PA | Dominion Energy Transmission Co | In service |
| Sharon Booster Station | Compressor station | Woodward County, OK | DCP Operating Company, LP | |
| Shaw Compressor Station | Compressor station | Stephens County, OK | Targa Pipeline Midcontinent LLC | |
| Shawnee Compressor Station | Compressor station | Pittsburg County, OK | Petrolink Energy LLC | |
| Shawnee Plant | Gas processing plant | Pottawatomie County, OK | Georg Fischer Central Plastics LLC | |
| Sheila Compressor Station | Compressor station | Washita County, OK | Oneok Field Services Inc | |
| Shell Oil Product Us Van Nuys terminal | Terminal | CA | Shell Oil Product Us | |
| Shell Oil Products Us Birmingham Blending Terminal | Terminal | AL | Shell Oil Products Us | |
| Shell Oil Products Us Collins Blending Terminal | Terminal | MS | Shell Oil Products Us | |
| Shell Oil Products Us Houston Lubricant Plant terminal | Terminal | TX | Shell Oil Products Us | |
| Shell Oil Products Us Kenner Blending Terminal | Terminal | LA | Shell Oil Products Us | |
| Shell Oil Products Us Knoxville Blending Terminal | Terminal | TN | Shell Oil Products Us | |
| Shell Oil Products Us Long Island Blending Terminal | Terminal | NY | Shell Oil Products Us | |
| Shell Oil Products Us Los Angeles Lubricant Plant terminal | Terminal | CA | Shell Oil Products Us | |
| Shell Oil Products Us Nashville terminal | Terminal | TN | Shell Oil Products Us | |