| Wewoka Compressor Station | Compressor station | Seminole County, OK | Enerfin Gathering-East LLC | |
| Wewoka Plant | Gas processing plant | Seminole County, OK | Commercial Brick Corp | |
| Wharton Storage | Underground storage | Potter County, PA | National Fuel Gas Supply Corporation | In service |
| Wheatland Compressor Station | Compressor station | Woods County, OK | ET Gathering & Processing, LLC | |
| Wheeler | Gas processing plant | Wheeler County, TX | Enable Products LLC | In service |
| Whiskey Creek Compressor Station | Compressor station | Pittsburg County, OK | Sanguine Gas Exploration, LLC | |
| Whitaker 1-3h Facility Drip | Compressor station | Panola County, TX | | |
| White Lakes Pumping Station | Compressor station | NM | Enterprise Products Operating LP | |
| White Oak/woolsey | Underground storage | Franklin County, AR | Black Hills Energy | In service |
| White River | Underground storage | Pike County, IN | Indiana Gas Company Dba Vectren | In service |
| Whitetail Gas Plant | Gas processing plant | Elk County, PA | Elkhorn Gas Processing | In service |
| Whiting Ray | Gas processing plant | ND | Whiting | |
| Whitney Canyon Gas Plant | Gas processing plant | WY | | |
| Whittenburg Lateral Compressor Station | Compressor station | Ellis County, OK | Oneok Field Services Inc | |
| Wickham Lateral Compressor Station | Compressor station | Roger Mills County, OK | Oneok Field Services Inc | |
| Wiggins Gas Processing Plant | Gas processing plant | Morgan County, CO | Western Operating Company | In service |
| Wilburton Compressor Station | Compressor station | Latimer County, OK | Enable Oklahoma Intrastate Transmission, LLC | |
| Wilburton Limestone Compressor Station | Compressor station | Latimer County, OK | Petrolink Energy LLC | |
| Wilburton Plant | Gas processing plant | Latimer County, OK | Franklin Electric Manufacturing | |
| Wilcox | Gas processing plant | Lavaca County, TX | | |
| Wilcox Gas Plant | Gas processing plant | Lavaca County, TX | DCP Operating Company, LP | In service |
| Wild Basin | Gas processing plant | McKenzie County, ND | Oasis, Oasis Midstream Partners | In service |
| Wild Basin Gas Plant | Gas processing plant | Mckenzie County, ND | Crestwood | |
| Wild Goose | Underground storage | Butte County, CA | Wild Goose Gas Storage LLC | In service |
| Wild Hog Booster Station | Compressor station | Grady County, OK | DCP Operating Company, LP | |
| Wild Horse Compressor Station | Compressor station | NM | Harvest Four Corners, LLC | |
| Wildcat Gas Plant | Gas processing plant | Winkler County, TX | | |
| Wildfork Plant | Gas processing plant | Monroe County, AL | Gas Processors Inc | In service |
| Wildhorse Lateral Compressor Station | Compressor station | Custer County, OK | Oneok Field Services Inc | |
| Wildlife Compressor Station | Compressor station | Latimer County, OK | Petrolink Energy LLC | |
| Wile E Coyote LGL Compressor Station | Compressor station | NM | Eog Resources Inc | |
| Wilfred | Underground storage | Sullivan County, IN | Texas Gas Transmission, LLC | In service |
| Wilks-White Drip | Compressor station | Rusk County, TX | | |
| Willams Four Corners Bancos Compressor Station | Compressor station | NM | Willams Four Corners, LLC | |
| Willard CO2 Recovery Plant | Gas processing plant | Yoakum County, TX | Oxy | In service |
| Willard CO2 Separation Plant | Gas processing plant | Yoakum County, TX | | |
| Williams Hutch Rail Hutchinson terminal | Terminal | KS | Williams Hutch Rail Company LLC | |
| Williams Martinez Draw CS | Compressor station | NM | Willams Four Corners, LLC | |
| Williams Midstream Gas Services North Alva Compressor Station | Compressor station | Woods County, OK | Williams Midstream Gas Services LLC | |
| Williams Mobile Bay Processing Plant | Gas processing plant | Mobile County, AL | Williams Companies | In service |
| Williams Ohio Valley Midstream LLC, Moundsville Fractionation | Gas processing plant | WV | | |
| Williams Sterling West 1 Compressor Station | Compressor station | Comanche County, OK | Bounty Transfer LLC | |
| Willits Lateral Compressor Station | Compressor station | Major County, OK | Oneok Field Services Inc | |
| Willow Creek | Gas processing plant | Rio Blanco County, CO | Williams Midstream Services, LLC | In service |
| Wilma CGF | Compressor station | NM | Delaware Basin Midstream LLC | |
| Wilson A 1 CDP | Compressor station | NM | Hilcorp Energy Company | |
| Wilson Compressor Station | Compressor station | Texas County, OK | Bce-Mach LLC | |
| Wilson Creek Gas Plant | Gas processing plant | Rio blanco County, CO | Chevron | In service |
| Wilzetta Compressor Station | Compressor station | Lincoln County, OK | Petrolink Energy LLC | |
| Winchester Booster Station | Compressor station | NM | DCP Operating Company, LP | |