| Tax Year | State | Company | Parent Company | ||
| 2014 | Alabama | Florida Gas Transmission | Southern Union | ||
| 2014 | Alabama | Gulf South | Boardwalk | ||
| 2014 | Alabama | Gulfstream Natural Gas System, LLC | Spectra | ||
| 2014 | Alabama | Midcontinent Express Pipeline | Kinder Morgan | ||
| 2014 | Alabama | Southeast Supply Header, LLC | Spectra | ||
| 2014 | Alabama | Southern Natural Gas | Kinder Morgan | ||
| 2014 | Alabama | Tennessee Gas Pipeline Co. | Kinder Morgan | ||
| 2014 | Alabama | Texas Eastern Transmission, LP | Spectra | ||
| 2014 | Alabama | Transcontinental Gas Pipeline | Williams | ||
| 2014 | Arizona | El Paso Natural Gas | Kinder Morgan | ||
| 2014 | Arizona | Mojave Pipeline Co. | Kinder Morgan | ||
| 2014 | Arizona | North Baja | TransCanada | ||
| 2014 | Arkansas | ANR Pipeline | TransCanada | ||
| 2014 | Arkansas | CenterPoint Energy Transmission | CenterPoint Energy | ||
| 2014 | Arkansas | Mississippi River Transmission | CenterPoint Energy | ||
| 2014 | Arkansas | Natural Gas Pipe Line of America | Kinder Morgan | ||
| 2014 | Arkansas | Tennessee Gas Pipeline Co. | Kinder Morgan | ||
| 2014 | Arkansas | Texas Eastern Transmission, LP | Spectra | ||
| 2014 | Arkansas | Texas Gas | Boardwalk | ||
| 2014 | Arkansas | Trunkline Gas Company | Southern Union | ||
| 2014 | California | El Paso Natural Gas | Kinder Morgan | ||
| 2014 | California | Kern River Gas Transmission Company | Kern River Gas | ||
| 2014 | California | Mojave Pipeline Co. | Kinder Morgan | ||
| 2014 | California | North Baja | TransCanada | ||
| 2014 | California | Tuscarora Gas Transmission Co. | TransCanada | ||
| 2014 | Colorado | Cheyene Plains Gas Pipeline | Kinder Morgan | ||
| 2014 | Colorado | Colorado Interstate Gas | Kinder Morgan | ||
| 2014 | Colorado | El Paso Natural Gas | Kinder Morgan | ||
| 2014 | Colorado | Northwest Pipeline | Williams | ||
| 2014 | Colorado | Rockies Express Pipeline | Tallgrass | ||
| 2014 | Colorado | Southern Star - Central | Southern Star Central Gas | ||
| 2014 | Colorado | Tallgrass Interstate Gas Transmission | Tallgrass Energy Partners | ||
| 2014 | Colorado | Trailblazer Pipeline | Tallgrass Energy Partners | ||
| 2014 | Colorado | Wyoming Interstate | Kinder Morgan | ||
| 2014 | Colorado | Young Gas Storage | Kinder Morgan | ||
| 2014 | Connecticut | Algonquin Pipeline | Spectra | ||
| 2014 | Connecticut | Tennessee Gas Pipeline Co. | Kinder Morgan | ||
| 2014 | Delaware | Columbia Gas Transmission | Columbia Gas | ||
| 2014 | Florida | Florida Gas Transmission | Southern Union | ||
| 2014 | Florida | Gulf South | Boardwalk | ||
| 2014 | Florida | Gulfstream Natural Gas System, LLC | Spectra | ||
| 2014 | Florida | Southern Natural Gas | Kinder Morgan | ||
| 2014 | Georgia | East Tennessee Gas Company | Spectra | ||
| 2014 | Georgia | Elba Express | Kinder Morgan | ||
| 2014 | Georgia | Southern LNG | Kinder Morgan | ||
| 2014 | Georgia | Southern Natural Gas | Kinder Morgan | ||
| 2014 | Georgia | Transcontinental Gas Pipeline | Williams | ||
| 2014 | Idaho | Gas Transmission Northwest | TransCanada | ||
| 2014 | Idaho | Northwest Pipeline | Williams | ||
| 2014 | Illinois | ANR Pipeline | TransCanada | ||
| 2014 | Illinois | Gaurdian Pipeline | Oneok Partners, L.P. | ||
| 2014 | Illinois | Midwestern Gas Transmission | Oneok Partners, L.P. | ||
| 2014 | Illinois | Mississippi River Transmission | CenterPoint Energy | ||
| 2014 | Illinois | Natural Gas Pipe Line of America | Kinder Morgan | ||
| 2014 | Illinois | Northern Border Pipeline Company | TransCanada | ||
| 2014 | Illinois | Northern Natural Gas Company | Northern Natural Gas | ||
| 2014 | Illinois | Panhandle Eastern Pipe Line | Southern Union | ||
| 2014 | Illinois | Rockies Express Pipeline | Tallgrass | ||
| 2014 | Illinois | Texas Eastern Transmission, LP | Spectra | ||
| 2014 | Illinois | Texas Gas | Boardwalk | ||
| 2014 | Illinois | TransCanada Keystone Pipeline | TransCanada | ||
| 2014 | Illinois | Trunkline Gas Company | Southern Union | ||
| 2014 | Indiana | ANR Pipeline | TransCanada | ||
| 2014 | Indiana | Midwestern Gas Transmission | Oneok Partners, L.P. | ||
| 2014 | Indiana | Natural Gas Pipe Line of America | Kinder Morgan | ||
| 2014 | Indiana | Northern Border Pipeline Company | TransCanada | ||
| 2014 | Indiana | Panhandle Eastern Pipe Line | Southern Union | ||
| 2014 | Indiana | Rockies Express Pipeline | Tallgrass | ||
| 2014 | Indiana | Texas Eastern Transmission, LP | Spectra | ||
| 2014 | Indiana | Trunkline Gas Company | Southern Union | ||
| 2014 | Iowa | ANR Pipeline | TransCanada | ||
| 2014 | Iowa | Natural Gas Pipe Line of America | Kinder Morgan | ||
| 2014 | Iowa | Northern Border Pipeline Company | TransCanada | ||
| 2014 | Iowa | Northern Natural Gas Company | Northern Natural Gas | ||
| 2014 | Kansas | ANR Pipeline | TransCanada | ||
| 2014 | Kansas | CenterPoint Energy Transmission | CenterPoint Energy | ||
| 2014 | Kansas | Cheyene Plains Gas Pipeline | Kinder Morgan | ||
| 2014 | Kansas | Colorado Interstate Gas | Kinder Morgan | ||
| 2014 | Kansas | Natural Gas Pipe Line of America | Kinder Morgan | ||
| 2014 | Kansas | Northern Natural Gas Company | Northern Natural Gas | ||
| 2014 | Kansas | Panhandle Eastern Pipe Line | Southern Union | ||
| 2014 | Kansas | Rockies Express Pipeline | Tallgrass | ||
| 2014 | Kansas | Southern Star - Central | Southern Star Central Gas | ||
| 2014 | Kansas | Tallgrass Interstate Gas Transmission | Tallgrass Energy Partners | ||
| 2014 | Kansas | TransCanada Keystone Pipeline | TransCanada | ||
| 2014 | Kentucky | ANR Pipeline | TransCanada | ||
| 2014 | Kentucky | Columbia Gas Transmission | Columbia Gas | ||
| 2014 | Kentucky | Columbia Gulf Transmission | Columbia Gas | ||
| 2014 | Kentucky | Midwestern Gas Transmission | Oneok Partners, L.P. | ||
| 2014 | Kentucky | Southern Star - Central | Southern Star Central Gas | ||
| 2014 | Kentucky | Tennessee Gas Pipeline Co. | Kinder Morgan | ||
| 2014 | Kentucky | Texas Eastern Transmission, LP | Spectra | ||
| 2014 | Kentucky | Texas Gas | Boardwalk | ||
| 2014 | Kentucky | Trunkline Gas Company | Southern Union | ||
| 2014 | Louisiana | ANR Pipeline | TransCanada | ||
| 2014 | Louisiana | Bear Creek Storage | Kinder Morgan | ||
| 2014 | Louisiana | CenterPoint Energy Transmission | CenterPoint Energy | ||
| 2014 | Louisiana | Columbia Gulf Transmission | Columbia Gas | ||
| 2014 | Louisiana | Florida Gas Transmission | Southern Union | ||
| 2014 | Louisiana | Gulf Crossing | Boardwalk | ||
| 2014 | Louisiana | Gulf South | Boardwalk | ||
| 2014 | Louisiana | Louisiana Pipeline | Kinder Morgan | ||
| 2014 | Louisiana | Midcontinent Express Pipeline | Kinder Morgan | ||
| 2014 | Louisiana | Mississippi River Transmission | CenterPoint Energy | ||
| 2014 | Louisiana | Natural Gas Pipe Line of America | Kinder Morgan | ||
| 2014 | Louisiana | Northern Natural Gas Company | Northern Natural Gas | ||
| 2014 | Louisiana | Sea Robin Pipeline Company | Southern Union | ||
| 2014 | Louisiana | Southeast Supply Header, LLC | Spectra | ||
| 2014 | Louisiana | Southern Natural Gas | Kinder Morgan | ||
| 2014 | Louisiana | Tennessee Gas Pipeline Co. | Kinder Morgan | ||
| 2014 | Louisiana | Texas Eastern Transmission, LP | Spectra | ||
| 2014 | Louisiana | Texas Gas | Boardwalk | ||
| 2014 | Louisiana | Transcontinental Gas Pipeline | Williams | ||
| 2014 | Louisiana | Trunkline Gas Company | Southern Union | ||
| 2014 | Maine | Maritimes & Norteast Pipeline | Spectra | ||
| 2014 | Maryland | Columbia Gas Transmission | Columbia Gas | ||
| 2014 | Maryland | Texas Eastern Transmission, LP | Spectra | ||
| 2014 | Maryland | Transcontinental Gas Pipeline | Williams | ||
| 2014 | Massachusetts | Algonquin Pipeline | Spectra | ||
| 2014 | Massachusetts | Maritimes & Norteast Pipeline | Spectra | ||
| 2014 | Massachusetts | Tennessee Gas Pipeline Co. | Kinder Morgan | ||
| 2014 | Michigan | ANR Pipeline | TransCanada | ||
| 2014 | Michigan | ANR Storage | TransCanada | ||
| 2014 | Michigan | Blue Lake Gas Storage | TransCanada | ||
| 2014 | Michigan | Eaton Rapids Gas Storage | TransCanada | ||
| 2014 | Michigan | Great Lakes Gas Transmission | TransCanada | ||
| 2014 | Michigan | Mid Michigan Gas Storage | TransCanada | ||
| 2014 | Michigan | Northern Natural Gas Company | Northern Natural Gas | ||
| 2014 | Michigan | Panhandle Eastern Pipe Line | Southern Union | ||
| 2014 | Minnesota | ANR Pipeline | TransCanada | ||
| 2014 | Minnesota | Great Lakes Gas Transmission | TransCanada | ||
| 2014 | Minnesota | Northern Border Pipeline Company | TransCanada | ||
| 2014 | Minnesota | Northern Natural Gas Company | Northern Natural Gas | ||
| 2014 | Minnesota | Viking Gas Transmission | Oneok Partners, L.P. | ||
| 2014 | Mississippi | ANR Pipeline | TransCanada | ||
| 2014 | Mississippi | CenterPoint Energy Transmission | CenterPoint Energy | ||
| 2014 | Mississippi | Columbia Gulf Transmission | Columbia Gas | ||
| 2014 | Mississippi | Florida Gas Transmission | Southern Union | ||
| 2014 | Mississippi | Gulf Crossing | Boardwalk | ||
| 2014 | Mississippi | Gulf LNG | Kinder Morgan | ||
| 2014 | Mississippi | Gulf South | Boardwalk | ||
| 2014 | Mississippi | Gulfstream Natural Gas System, LLC | Spectra | ||
| 2014 | Mississippi | Midcontinent Express Pipeline | Kinder Morgan | ||
| 2014 | Mississippi | Southeast Supply Header, LLC | Spectra | ||
| 2014 | Mississippi | Southern Natural Gas | Kinder Morgan | ||
| 2014 | Mississippi | Tennessee Gas Pipeline Co. | Kinder Morgan | ||
| 2014 | Mississippi | Texas Eastern Transmission, LP | Spectra | ||
| 2014 | Mississippi | Texas Gas | Boardwalk | ||
| 2014 | Mississippi | Transcontinental Gas Pipeline | Williams | ||
| 2014 | Mississippi | Trunkline Gas Company | Southern Union | ||
| 2014 | Missouri | ANR Pipeline | TransCanada | ||
| 2014 | Missouri | CenterPoint Energy Transmission | CenterPoint Energy | ||
| 2014 | Missouri | Mississippi River Transmission | CenterPoint Energy | ||
| 2014 | Missouri | Natural Gas Pipe Line of America | Kinder Morgan | ||
| 2014 | Missouri | Panhandle Eastern Pipe Line | Southern Union | ||
| 2014 | Missouri | Rockies Express Pipeline | Tallgrass | ||
| 2014 | Missouri | Southern Star - Central | Southern Star Central Gas | ||
| 2014 | Missouri | Texas Eastern Transmission, LP | Spectra | ||
| 2014 | Missouri | TransCanada Keystone Pipeline | TransCanada | ||
| 2014 | Montana | Colorado Interstate Gas | Kinder Morgan | ||
| 2014 | Montana | Northern Border Pipeline Company | TransCanada | ||
| 2014 | Montana | Williston Basin Interstate Pipeline | MDU Resources Group, Inc. | ||
| 2014 | Mouissiri | Tallgrass Interstate Gas Transmission | Tallgrass Energy Partners | ||
| 2014 | Nebraska | Natural Gas Pipe Line of America | Kinder Morgan | ||
| 2014 | Nebraska | Northern Border Pipeline Company | TransCanada | ||
| 2014 | Nebraska | Northern Natural Gas Company | Northern Natural Gas | ||
| 2014 | Nebraska | Rockies Express Pipeline | Tallgrass | ||
| 2014 | Nebraska | Southern Star - Central | Southern Star Central Gas | ||
| 2014 | Nebraska | TransCanada Keystone Pipeline | TransCanada | ||
| 2014 | Nebraska | Tallgrass Interstate Gas Transmission | Tallgrass Energy Partners | ||
| 2014 | Nebraska | Trailblazer Pipeline | Tallgrass Energy Partners | ||
| 2014 | Nevada | Kern River Gas Transmission Company | Kern River Gas | ||
| 2014 | Nevada | Ruby Pipeline, LLC | Kinder Morgan | ||
| 2014 | Nevada | Tuscarora Gas Transmission Co. | TransCanada | ||
| 2014 | New Hampshire | Maritimes & Norteast Pipeline | Spectra | ||
| 2014 | New Hampshire | Tennessee Gas Pipeline Co. | Kinder Morgan | ||
| 2014 | New Jersey | Algonquin Pipeline | Spectra | ||
| 2014 | New Jersey | ANR Pipeline | TransCanada | ||
| 2014 | New Jersey | Columbia Gas Transmission | Columbia Gas | ||
| 2014 | New Jersey | Tennessee Gas Pipeline Co. | Kinder Morgan | ||
| 2014 | New Jersey | Texas Eastern Transmission, LP | Spectra | ||
| 2014 | New Jersey | Transcontinental Gas Pipeline | Williams | ||
| 2014 | New Mexico | El Paso Natural Gas | Kinder Morgan | ||
| 2014 | New Mexico | Natural Gas Pipe Line of America | Kinder Morgan | ||
| 2014 | New Mexico | Northern Natural Gas Company | Northern Natural Gas | ||
| 2014 | New Mexico | Northwest Pipeline | Williams | ||
| 2014 | New York | Algonquin Pipeline | Spectra | ||
| 2014 | New York | ANR Pipeline | TransCanada | ||
| 2014 | New York | Columbia Gas Transmission | Columbia Gas | ||
| 2014 | New York | Dominion Transmission | Dominion | ||
| 2014 | New York | Tennessee Gas Pipeline Co. | Kinder Morgan | ||
| 2014 | New York | Texas Eastern Transmission, LP | Spectra | ||
| 2014 | New York | Transcontinental Gas Pipeline | Williams | ||
| 2014 | North Carolina | Columbia Gas Transmission | Columbia Gas | ||
| 2014 | North Carolina | East Tennessee Gas Company | Spectra | ||
| 2014 | North Carolina | Transcontinental Gas Pipeline | Williams | ||
| 2014 | North Dakota | Northern Border Pipeline Company | TransCanada | ||
| 2014 | North Dakota | Northern Natural Gas Company | Northern Natural Gas | ||
| 2014 | North Dakota | TransCanada Keystone Pipeline | TransCanada | ||
| 2014 | North Dakota | Viking Gas Transmission | Oneok Partners, L.P. | ||
| 2014 | North Dakota | Williston Basin Interstate Pipeline | MDU Resources Group, Inc. | ||
| 2014 | Ohio | ANR Pipeline | TransCanada | ||
| 2014 | Ohio | Columbia Gas Transmission | Columbia Gas | ||
| 2014 | Ohio | Dominion Transmission | Dominion | ||
| 2014 | Ohio | Panhandle Eastern Pipe Line | Southern Union | ||
| 2014 | Ohio | Rockies Express Pipeline | Tallgrass | ||
| 2014 | Ohio | Tennessee Gas Pipeline Co. | Kinder Morgan | ||
| 2014 | Ohio | Texas Eastern Transmission, LP | Spectra | ||
| 2014 | Ohio | Texas Gas | Boardwalk | ||
| 2014 | Oklahoma | ANR Pipeline | TransCanada | ||
| 2014 | Oklahoma | CenterPoint Energy Transmission | CenterPoint Energy | ||
| 2014 | Oklahoma | Colorado Interstate Gas | Kinder Morgan | ||
| 2014 | Oklahoma | El Paso Natural Gas | Kinder Morgan | ||
| 2014 | Oklahoma | Gulf Crossing | Boardwalk | ||
| 2014 | Oklahoma | Midcontinent Express Pipeline | Kinder Morgan | ||
| 2014 | Oklahoma | Natural Gas Pipe Line of America | Kinder Morgan | ||
| 2014 | Oklahoma | Northern Natural Gas Company | Northern Natural Gas | ||
| 2014 | Oklahoma | Ozark Gas Transmission, LLC | Spectra | ||
| 2014 | Oklahoma | Panhandle Eastern Pipe Line | Southern Union | ||
| 2014 | Oklahoma | Southern Star - Central | Southern Star Central Gas | ||
| 2014 | Oregon | Gas Transmission Northwest | TransCanada | ||
| 2014 | Oregon | Northwest Pipeline | Williams | ||
| 2014 | Oregon | Ruby Pipeline, LLC | Kinder Morgan | ||
| 2014 | Oregon | Tuscarora Gas Transmission Co. | TransCanada | ||
| 2014 | Pennsylvania | Columbia Gas Transmission | Columbia Gas | ||
| 2014 | Pennsylvania | Texas Eastern Transmission, LP | Spectra | ||
| 2014 | Pennsylvania | Transcontinental Gas Pipeline | Williams | ||
| 2014 | Rhode Island | Tennessee Gas Pipeline Co. | Kinder Morgan | ||
| 2014 | Rode Island | Algonquin Pipeline | Spectra | ||
| 2014 | South Carolina | Elba Express | Kinder Morgan | ||
| 2014 | South Carolina | Southern Natural Gas | Kinder Morgan | ||
| 2014 | South Carolina | Transcontinental Gas Pipeline | Williams | ||
| 2014 | South Dakota | Northern Border Pipeline Company | TransCanada | ||
| 2014 | South Dakota | Northern Natural Gas Company | Northern Natural Gas | ||
| 2014 | South Dakota | TransCanada Keystone Pipeline | TransCanada | ||
| 2014 | South Dakota | Williston Basin Interstate Pipeline | MDU Resources Group, Inc. | ||
| 2014 | Tennessee | ANR Pipeline | TransCanada | ||
| 2014 | Tennessee | CenterPoint Energy Transmission | CenterPoint Energy | ||
| 2014 | Tennessee | Columbia Gulf Transmission | Columbia Gas | ||
| 2014 | Tennessee | East Tennessee Gas Company | Southern Union | ||
| 2014 | Tennessee | East Tennessee Gas Company | Spectra | ||
| 2014 | Tennessee | Midwestern Gas Transmission | Oneok Partners, L.P. | ||
| 2014 | Tennessee | Southern Natural Gas | Kinder Morgan | ||
| 2014 | Tennessee | Tennessee Gas Pipeline Co. | Kinder Morgan | ||
| 2014 | Tennessee | Texas Eastern Transmission, LP | Spectra | ||
| 2014 | Tennessee | Texas Gas | Boardwalk | ||
| 2014 | Tennessee | Trunkline Gas Company | Southern Union | ||
| 2014 | Texas | ANR Pipeline | TransCanada | ||
| 2014 | Texas | CenterPoint Energy Transmission | CenterPoint Energy | ||
| 2014 | Texas | Colorado Interstate Gas | Kinder Morgan | ||
| 2014 | Texas | Columbia Gulf Transmission | Columbia Gas | ||
| 2014 | Texas | El Paso Natural Gas | Kinder Morgan | ||
| 2014 | Texas | Florida Gas Transmission | Southern Union | ||
| 2014 | Texas | Great Lakes Gas Transmission | TransCanada | ||
| 2014 | Texas | Gulf Crossing | Boardwalk | ||
| 2014 | Texas | Gulf South | Boardwalk | ||
| 2014 | Texas | Midcontinent Express Pipeline | Kinder Morgan | ||
| 2014 | Texas | Mississippi River Transmission | CenterPoint Energy | ||
| 2014 | Texas | Natural Gas Pipe Line of America | Kinder Morgan | ||
| 2014 | Texas | Northern Natural Gas Company | Northern Natural Gas | ||
| 2014 | Texas | Panhandle Eastern Pipe Line | Southern Union | ||
| 2014 | Texas | Southern Natural Gas | Kinder Morgan | ||
| 2014 | Texas | Southern Star - Central | Southern Star Central Gas | ||
| 2014 | Texas | Tennessee Gas Pipeline Co. | Kinder Morgan | ||
| 2014 | Texas | Texas Eastern Transmission, LP | Spectra | ||
| 2014 | Texas | Texas Gas | Boardwalk | ||
| 2014 | Texas | Transcontinental Gas Pipeline | Williams | ||
| 2014 | Texas | Trunkline Gas Company | Southern Union | ||
| 2014 | Utah | Colorado Interstate Gas | Kinder Morgan | ||
| 2014 | Utah | Kern River Gas Transmission Company | Kern River Gas | ||
| 2014 | Utah | Northwest Pipeline | Williams | ||
| 2014 | Utah | Ruby Pipeline, LLC | Kinder Morgan | ||
| 2014 | Utah | Wyoming Interstate | Kinder Morgan | ||
| 2014 | Virginia | Columbia Gas Transmission | Columbia Gas | ||
| 2014 | Virginia | East Tennessee Gas Company | Spectra | ||
| 2014 | Washington | Gas Transmission Northwest | TransCanada | ||
| 2014 | Washington | Northwest Pipeline | Williams | ||
| 2014 | West Virginia | Columbia Gas Transmission | Columbia Gas | ||
| 2014 | West Virginia | Dominion Transmission | Dominion | ||
| 2014 | West Virginia | Tennessee Gas Pipeline Co. | Kinder Morgan | ||
| 2014 | West Virginia | Texas Eastern Transmission, LP | Spectra | ||
| 2014 | Wisconsin | ANR Pipeline | TransCanada | ||
| 2014 | Wisconsin | Gaurdian Pipeline | Oneok Partners, L.P. | ||
| 2014 | Wisconsin | Great Lakes Gas Transmission | TransCanada | ||
| 2014 | Wisconsin | Northern Natural Gas Company | Northern Natural Gas | ||
| 2014 | Wisconsin | Viking Gas Transmission | Oneok Partners, L.P. | ||
| 2014 | Wyoming | Colorado Interstate Gas | Kinder Morgan | ||
| 2014 | Wyoming | Columbia Gulf Transmission | Columbia Gas | ||
| 2014 | Wyoming | Kern River Gas Transmission Company | Kern River Gas | ||
| 2014 | Wyoming | Natural Gas Pipe Line of America | Kinder Morgan | ||
| 2014 | Wyoming | Northwest Pipeline | Williams | ||
| 2014 | Wyoming | Rockies Express Pipeline | Kinder Morgan | ||
| 2014 | Wyoming | Ruby Pipeline, LLC | Kinder Morgan | ||
| 2014 | Wyoming | Southern Star - Central | Southern Star Central Gas | ||
| 2014 | Wyoming | Tallgrass Interstate Gas Transmission | Tallgrass Energy Partners | ||
| 2014 | Wyoming | Trailblazer Pipeline | Tallgrass Energy Partners | ||
| 2014 | Wyoming | Williston Basin Interstate Pipeline | MDU Resources Group, Inc. | ||
| 2014 | Wyoming | Wyoming Interstate | Kinder Morgan |