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| County | Operator | Commodity | Commodity Detail | System Type | System Name | Sub System Name | Diameter | Operator P5 | T4 Permit | Status | Interstate |
| GRAYSON | ATLAS PIPELINE MID-CONTINENT LLC | Natural Gas | NATURAL GAS | Gas Gathering | VELMA/ENVILLE GATHERING SYSTEMS | GAINSVILLE SYSTEM | 4.5 | 36584 | 5097 | In Service | Yes |
| GRAYSON | ATLAS PIPELINE MID-CONTINENT LLC | Natural Gas | NATURAL GAS | Gas Gathering | VELMA/ENVILLE GATHERING SYSTEMS | GAINSVILLE SYSTEM | 6.63 | 36584 | 5097 | In Service | Yes |
| GRAYSON | ATLAS PIPELINE MID-CONTINENT LLC | Natural Gas | NATURAL GAS | Gas Gathering | VELMA/ENVILLE GATHERING SYSTEMS | GAINSVILLE SYSTEM | 8.63 | 36584 | 5097 | In Service | Yes |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | D17-10 | 8.63 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | D9 | 18 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | D9-3 | 3.5 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | D9-5 | 6.63 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | D9-7 | 8.63 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | D9-7 | 10.75 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | D9-7-1 | 6.63 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | D9-7-2 | 8.63 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | D9-7-2 (EXT) | 3.5 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | D9-7-2-1 | 3.5 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | D9-7-3 | 4.5 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | D9A | 12.75 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | D9A1 | 2.38 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | E | 10.75 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | E | ATMOS-UNKNOWN | 10.75 | 36599 | 90578 | Abandoned | No |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | E10-6 | 3.5 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | E15 | 3.5 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | E23 | ATMOS-UNKNOWN | 3.5 | 36599 | 90578 | Abandoned | No |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | E3 | 4.5 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | E31 | 2.38 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | E5 | 6.63 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | EA | 6.63 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | EA | 8.63 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | EA | 10.75 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | EB | 6.63 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | EB | 8.63 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | EB | 10.75 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | EB1 | 2.38 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | EBA | 8.63 | 36599 | 578 | In Service | No | |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | GN-42 | ATMOS-UNKNOWN | 2.38 | 36599 | 90578 | Abandoned | No |
| GRAYSON | ATMOS PIPELINE - TEXAS | Natural Gas | NATURAL GAS | Gas Transmission | GN-98 | 3.5 | 36599 | 578 | In Service | No | |
| GRAYSON | BARON EXPLORATION CO. | Natural Gas | NATURAL GAS | Gas Gathering | BARON GATHERING | 4.5 | 52973 | 4603 | In Service | No | |
| GRAYSON | CIMMARRON GATHERING, LP | Natural Gas | NATURAL GAS | Gas Gathering | AMIS SYSTEM | 105 | 4.5 | 153415 | 6185 | In Service | No |
| GRAYSON | CIMMARRON GATHERING, LP | Natural Gas | NATURAL GAS | Gas Gathering | AMIS SYSTEM | 108 | 4.5 | 153415 | 6185 | In Service | No |
| GRAYSON | CIMMARRON GATHERING, LP | Natural Gas | NATURAL GAS | Gas Gathering | AMIS SYSTEM | 109 | 4.5 | 153415 | 6185 | In Service | No |
| GRAYSON | CIMMARRON GATHERING, LP | Natural Gas | NATURAL GAS | Gas Gathering | AMIS SYSTEM | 110 | 4.5 | 153415 | 6185 | In Service | No |
| GRAYSON | CIMMARRON GATHERING, LP | Natural Gas | NATURAL GAS | Gas Gathering | DBGG GATHERING SYSTEM | 4.5 | 153415 | 6185 | In Service | No | |
| GRAYSON | CIMMARRON GATHERING, LP | Natural Gas | NATURAL GAS | Gas Gathering | HARDY PIPELINE SYSTEM | 101 | 4.5 | 153415 | 6185 | In Service | No |
| GRAYSON | CIMMARRON GATHERING, LP | Natural Gas | NATURAL GAS | Gas Gathering | HARDY PIPELINE SYSTEM | 103 | 4.5 | 153415 | 6185 | In Service | No |
| GRAYSON | CIMMARRON GATHERING, LP | Natural Gas | NATURAL GAS | Gas Gathering | HARDY PIPELINE SYSTEM | 201 | 4.5 | 153415 | 6185 | In Service | No |
| GRAYSON | CIMMARRON GATHERING, LP | Natural Gas | NATURAL GAS | Gas Gathering | HARDY PIPELINE SYSTEM | 301 | 4.5 | 153415 | 6185 | In Service | No |
| GRAYSON | CIMMARRON GATHERING, LP | Natural Gas | NATURAL GAS | Gas Gathering | HARDY PIPELINE SYSTEM | 302 | 4.5 | 153415 | 6185 | In Service | No |
| GRAYSON | CIMMARRON GATHERING, LP | Natural Gas | NATURAL GAS | Gas Gathering | HARDY PIPELINE SYSTEM | 304 | 4.5 | 153415 | 6185 | In Service | No |
| GRAYSON | CIMMARRON GATHERING, LP | Natural Gas | NATURAL GAS | Gas Gathering | MACK SYSTEM | 3.5 | 153415 | 6659 | In Service | Yes | |
| GRAYSON | CIMMARRON GATHERING, LP | Natural Gas | NATURAL GAS | Gas Gathering | MACK SYSTEM | 4.5 | 153415 | 6659 | In Service | Yes | |
| GRAYSON | CIMMARRON GATHERING, LP | Natural Gas | NATURAL GAS | Gas Gathering | NORTH TEXAS GATHERING | 2.38 | 153415 | 6660 | In Service | Yes | |
| GRAYSON | CIMMARRON GATHERING, LP | Natural Gas | NATURAL GAS | Gas Gathering | NORTH TEXAS GATHERING | 3.5 | 153415 | 6660 | In Service | Yes | |
| GRAYSON | CIMMARRON GATHERING, LP | Natural Gas | NATURAL GAS | Gas Gathering | NORTH TEXAS GATHERING | 8.63 | 153415 | 6660 | In Service | Yes | |
| GRAYSON | CIMMARRON GATHERING, LP | Natural Gas | NATURAL GAS | Gas Gathering | NORTH TEXAS GATHERING SYSTEM | 4.5 | 153415 | 6660 | In Service | Yes | |
| GRAYSON | CIMMARRON GATHERING, LP | Natural Gas | NATURAL GAS | Gas Gathering | VELMA/ENVILLE GATHERING SYSTEMS | GAINSVILLE SYSTEM | 4.5 | 153415 | 6624 | In Service | Yes |
| GRAYSON | ENBRIDGE GATHERING(NORTHTEXAS)LP | Natural Gas | NATURAL GAS | Gas Gathering | EA | 6.63 | 251508 | 5837 | In Service | No | |
| GRAYSON | ENBRIDGE GATHERING(NORTHTEXAS)LP | Natural Gas | NATURAL GAS | Gas Gathering | EBB | 8.63 | 251508 | 5837 | In Service | No | |
| GRAYSON | ENBRIDGE GATHERING(NORTHTEXAS)LP | Natural Gas | NATURAL GAS | Gas Gathering | EBBA | 6.63 | 251508 | 5837 | In Service | No | |
| GRAYSON | ENBRIDGE GATHERING(NORTHTEXAS)LP | Natural Gas | NATURAL GAS | Gas Gathering | GN-79 | 4.5 | 251508 | 5837 | In Service | No | |
| GRAYSON | ENERGY TRANSFER COMPANY | Natural Gas | NATURAL GAS | Gas Gathering | JOE ROBERTSON | 4.5 | 252017 | 5779 | Abandoned | No | |
| GRAYSON | ENRON PIPELINE SERVICES COMPANY | Crude Oil | CRUDE OIL | Crude Gathering | NORTH TEXAS GATHERING SYSTEM | MIDCONTINENT | 4.5 | 253140 | 6051 | In Service | Yes |
| GRAYSON | ENRON PIPELINE SERVICES COMPANY | Crude Oil | CRUDE OIL | Crude Gathering | NORTH TEXAS GATHERING SYSTEM | MIDCONTINENT | 6.63 | 253140 | 6051 | In Service | Yes |
| GRAYSON | ENRON PIPELINE SERVICES COMPANY | Crude Oil | CRUDE OIL | Crude Gathering | NORTH TEXAS GATHERING SYSTEM | MIDCONTINENT | 8.63 | 253140 | 6051 | In Service | Yes |
| GRAYSON | HEP OIL COMPANY, LTD. | Natural Gas | NATURAL GAS | Gas Gathering | GRAYSON GAS GATHERING SYSTEM | 6.63 | 379520 | 2507 | In Service | No | |
| GRAYSON | HEP OIL COMPANY, LTD. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN GAS GATHERING SYSTEM | 0 | 379520 | 2507 | In Service | No | |
| GRAYSON | HEP OIL COMPANY, LTD. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN GAS GATHERING SYSTEM | 4.5 | 379520 | 2507 | In Service | No | |
| GRAYSON | HEP OIL COMPANY, LTD. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN GAS GATHERING SYSTEM | 8.63 | 379520 | 2507 | In Service | No | |
| GRAYSON | HEP OIL COMPANY, LTD. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN GAS GATHERING SYSTEM | 10.75 | 379520 | 2507 | In Service | No | |
| GRAYSON | HEP OIL COMPANY, LTD. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN GAS GATHERING SYSTEM | 12.75 | 379520 | 2507 | In Service | No | |
| GRAYSON | HEP OIL COMPANY, LTD. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN GAS GATHERING SYSTEM | 16 | 379520 | 2507 | In Service | No | |
| GRAYSON | ONEOK NGL PIPELINE, L.P. | Liquid Petroleum Gas | LIQUIFIED PETROLEUM GAS | HVL products | STERLING PIPELINE SYSTEM | MEDFORD TO DIAMOND EAST DELIVERY 12IN | 12.75 | 623797 | 4518 | In Service | Yes |
| GRAYSON | ONEOK NGL PIPELINE, L.P. | Natural Gas Liquids | NATURAL GAS LIQUIDS | HVL products | STERLING PIPELINE SYSTEM | MEDFORD TO NEVADA BOOSTER AND CLEVELAND | 8.63 | 623797 | 1992 | Abandoned | No |
| GRAYSON | ONEOK NGL PIPELINE, L.P. | Natural Gas Liquids | NATURAL GAS LIQUIDS | HVL products | STERLING PIPELINE SYSTEM | MEDFORD TO NEVADA BOOSTER AND CLEVELAND | 8.63 | 623797 | 1992 | In Service | No |
| GRAYSON | PLAINS PIPELINE L.P. | Crude Oil | CRUDE OIL | Crude Transmission | RED RIVER EAST | YANTIS - HEALDTON | 8.63 | 667884 | 7045 | In Service | Yes |
| GRAYSON | RED RIVER GAS, LTD. | Natural Gas | NATURAL GAS | Gas Gathering | LINE BSA #1 | 4.5 | 697082 | 2489 | In Service | No | |
| GRAYSON | SEMGAS, L.P. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN | 2.38 | 766387 | 3349 | Abandoned | No | |
| GRAYSON | SEMGAS, L.P. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN | 2.38 | 766387 | 3349 | In Service | No | |
| GRAYSON | SEMGAS, L.P. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN | 3.5 | 766387 | 3349 | Abandoned | No | |
| GRAYSON | SEMGAS, L.P. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN | 3.5 | 766387 | 3349 | In Service | No | |
| GRAYSON | SEMGAS, L.P. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN | 4.5 | 766387 | 3349 | Abandoned | No | |
| GRAYSON | SEMGAS, L.P. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN | 4.5 | 766387 | 3349 | In Service | No | |
| GRAYSON | SEMGAS, L.P. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN | 5.56 | 766387 | 3349 | Abandoned | No | |
| GRAYSON | SEMGAS, L.P. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN | 5.56 | 766387 | 3349 | In Service | No | |
| GRAYSON | SEMGAS, L.P. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN | 6.63 | 766387 | 3349 | Abandoned | No | |
| GRAYSON | SEMGAS, L.P. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN | 6.63 | 766387 | 3349 | In Service | No | |
| GRAYSON | SEMGAS, L.P. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN | 8.63 | 766387 | 3349 | Abandoned | No | |
| GRAYSON | SEMGAS, L.P. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN | 8.63 | 766387 | 3349 | In Service | No | |
| GRAYSON | SEMGAS, L.P. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN | 10.75 | 766387 | 3349 | Abandoned | No | |
| GRAYSON | SEMGAS, L.P. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN | 10.75 | 766387 | 3349 | In Service | No | |
| GRAYSON | SEMGAS, L.P. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN | 12.75 | 766387 | 3349 | Abandoned | No | |
| GRAYSON | SEMGAS, L.P. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN | 12.75 | 766387 | 3349 | In Service | No | |
| GRAYSON | SEMGAS, L.P. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN | 14 | 766387 | 3349 | In Service | No | |
| GRAYSON | SEMGAS, L.P. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN | 16 | 766387 | 3349 | Abandoned | No | |
| GRAYSON | SEMGAS, L.P. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN | 16 | 766387 | 3349 | In Service | No | |
| GRAYSON | TEPPCO CRUDE PIPELINE, L. P. | Crude Oil | CRUDE OIL | Crude Gathering | DIXIE-CALLISBURG | GAINESVILLE | 4.5 | 843050 | 5797 | In Service | No |
| GRAYSON | TEPPCO CRUDE PIPELINE, L. P. | Crude Oil | CRUDE OIL | Crude Gathering | DIXIE-CALLISBURG | GAINESVILLE | 6.63 | 843050 | 5797 | In Service | No |
| GRAYSON | TEPPCO CRUDE PIPELINE, L. P. | Crude Oil | CRUDE OIL | Crude Transmission | SEAWAY | JONES CREEK - CUSHING S1 | 30 | 843050 | 5161 | In Service | Yes |
| GRAYSON | WAGNER & BROWN, LTD. | Natural Gas | NATURAL GAS | Gas Gathering | NORTH TEXAS GAS SYSTEM | 3.5 | 891075 | 1593 | In Service | No | |
| GRAYSON | XTO ENERGY INC. | Natural Gas | NATURAL GAS | Gas Gathering | SHERMAN NORTHWEST FIELD SYSTEM | 2.38 | 945936 | 6135 | In Service | No | |