| COMPANY/FACILITIES | PHONE NUMBERS |
| Summit Midstream/ DFW Midstream | 888/643-7929 |
| Crestwood Midstream | 866/234-PIPE (7473) |
| NorTex Midstream Partners Hill-Lake Gas Storage Worsham-Steed Gas Storage | 866/330-3731 |
| EnLink – North Texas, West Texas & Eagle Ford | 877/593-0822 |
| EnLink – Louisiana, Ohio River Valley | 866/394-9839 |
| Magellan Midstream | 800/720-2417 |
| Navarro Midstream | 956/948-5300 |
| Florida Gas Transmission | 800/238-5066 |
| Transwestern Pipeline | 866/999-8975 |
| Tiger Pipeline | 888/844-3735 |
| Panhandle Eastern Pipe Line Trunkline Gas Company | 800/225-3913 |
| Energy Transfer Fuel Oasis Pipeline ETC Katy Pipeline ETC Texas Pipeline Houston Pipe Line | 800/375-5702 |
| Marathon Oil Company | 866/662-2378 |
| Freeport LNG | 800/794-0981 |
| J-W Gathering Company J-W Pipeine Company | 800/274-0033 |
| Seadrift Pipeline Corporation UCAR Pipeline Inc. UCAR Louisiana Pipeline Co. | 888/278-3413 or 888/278-3414 |
| Dow Pipeline Co. Dow Intrastate Gas Co. Cayuse Pipeline, Inc. Dow Hydrocarbons & Resources | 800/223-4412 |
| Chesapeake Energy | 800/566-9306 |
| Enbridge | 888/650-8099 |
| Anadarko – Carrizo Springs | 800/284-6799 |
| Anadarko – Carthage/Dew/Pinnacle/Ozona | 800/870-7723 |
| Anadarko – Kermit | 877/602-2727 |
| Transcontinental Gas Pipeline | 800/440-8475 |
| Air Liquide Large Industries U.S. LP | 800/364-7378 or 713/864-7764 |
| Atmos Energy/Atmos Pipeline-Texas | 866-322-8667 |
| Costar – Chapel Hill System | 903/566-2611 or 903/531-1701 |
| Costar – Danville System | 903/643-7717 |
| Costar – Longview System | 903/759-2422 |
| NuStar | 800/481-0038 |
| Navigator | 214/520-7736 |
| Phillips 66 | 877/267-2290 |
| Southcross Energy | 877/880-9022 |
| Eagle Rock Operating EROC Gathering Eagle Rock Energy Services Eagle Rock Field Services | 800/261-0750 |
| Eagle Rock DeSoto Pipeline, L.P. | 936/632-9544 |
| HESCO Gathering Company HESCO Pipeline Company | 877/749-9799 |
| Access Midstream | 855/427-2875 |
| Eastman Mustang Pipeline | 800/677-6839 |
| Cimmarron Gathering Copano NGL Services Copano Pipelines/South Texas Copano Pipelines/Upper Gulf Coast Copano Processing Copano Energy Services/Upper Gulf Coast Copano Field Services/South Texas Copano Field Services/Upper Gulf Coast CDE Pipeline Copano Double Eagle Copano Field Services/Agua Dulce Copano Field Services/Copano Bay Copano Field Services/North Texas Copano NGL Services (Markham) Copano Pipelines/North Texas Double Eagle Pipeline Eagle Ford Gathering Nueces Gathering Webb/Duval Gatherers | 855/737-9555 |
| Camino Real Gathering Kinder Morgan Border Pipeline Kinder Moirgan Tejas Pipeline | 800/568-7512 |
| Colorado Interstate Gas | 800/568-7512 |
| El Paso Marketing El Paso Merchant Energy – Petroleum Co. El Paso Remediation | 713/369-8800 |
| El Paso Natural Gas | 800/334-8047 |
| Kinder Morgan Crude & Condensate | 800/265-6000 |
| Kinder Morgan Energy Partners Kinder Morgan North Texas Pipeline Kinder Morgan Texas Pipeline Kinder Morgan Treating | 800/633-0184 |
| Midcontinent Express Pipeline Natural Gas Pipeline Company of America | 800/733-2490 |
| SFPP | 714/560-4411 |
| Southern Natural Gas | 800/252-5960 |
| Tennessee Gas Pipeline | 800/231-2800 |
| Chevron Pipe Line | 800/762-3404 |
| Azure Midstream | |
| Boardwalk Pipeline | |
| BOPCO | |
| CenterPoint Energy | 800/376-9663 |
| DCP Midstream | |
| Denbury Resources | |
| Devon Gas Services | |
| Eastman Chemical | |
| Enable Gas Transmission & Enable Midstream Partners (outside Oklahoma) | 800/474-1954 |
| Enable Mississippi River Transmission | 800/325-4005 |
| Enterprise Products Partners | |
| EOG – Corpus Christi | 956/765-4065 or 361/883-9231 |
| EOG – Ellis, Hill, Hood & Johnson Counties | 817/389-2729 |
| EOG – Archer, Clay, Cooke, Jack, Montague, Palo Pinto, Parker & Wise Counties | 866/616-9446 |
| EOG – Midland County | 866/324-8368 |
| EOG – Refugio | 800/711-5859 |
| EOG – San Antonio | 866/846-4326 |
| EOG – Tyler | 903/753-7964 |
| Howard Midstream Energy | |
| Koch Pipeline | 800/688-7594 |
| Markwest Energy Partners | |
| ONEOK | 800/666-9041 |
| Pecan Pipeline | 866/899-2626 |
| Prism Midstream | |
| Quicksilver Resources | 866/420-5396 |
| Regency Energy Partners | 877/404-2730 |
| Superior Pipeline | |
| Targa North Texas | 940/644-2233 |
| Targa San Angelo | 800/541-0445 |
| Targa Versado | 575/391-6030 |
| Targa Sand Hills | 432/558-3996 |
| TransCanada | |
| Spectra Energy |
