| Amerada Hess Corp | 601-684-2371 | Delaware Ave | Mc Comb | MS | 39648 |
| Anr Pipeline | 601-382-7113 | 2099 Holly Grove Rd | Crenshaw | MS | 38621 |
| Anr Pipeline Co | 601-332-0409 | 1706 Raceway Rd | Greenville | MS | 38703 |
| Ashland Pipeline Co | 601-639-4305 | 1092 Cypress Ln | Crosby | MS | 39633 |
| Claiborne Natural Gas | 601-833-9225 | 220 S First St | Brookhaven | MS | 39601 |
| Collins Pipeline Co | 601-765-6593 | Hwy 588 E | Collins | MS | 39428 |
| Colonial Pipe Line Co | 601-783-2341 | Old Hwy 51 S | Magnolia | MS | 39652 |
| Colonial Pipe Line Co Meridian Delivery | 601-483-3735 | Hwy 80 W | Meridian | MS | 39302 |
| Colonial Pipe Line Co Meridian Station | 601-483-6893 | 4917 State Blvd | Meridian | MS | 39307 |
| Colonial Pipeline Co Area Office | 601-765-6706 | Hwy 49 | Collins | MS | 39428 |
| Colonial Pipeline Co Collins Pumping Station | 601-765-4951 | Hwy 588 | Collins | MS | 39428 |
| Colonial Pipeline Co Delivery Terminal | 601-765-8317 | Old Hwy 49 S | Collins | MS | 39428 |
| Colonial Pipeline Co Injection Sta | 601-765-4433 | Hwy 588 | Collins | MS | 39428 |
| Columbia Gulf Transmission Co | 601-286-6549 | Kendrick Rd | Corinth | MS | 38834 |
| Columbia Gulf Transmission Co | 601-287-2459 | Kendrick Rd | Corinth | MS | 38834 |
| Dixie Pipe Line Co | 601-582-4343 | Hwy 11 N | Hattiesburg | MS | 39403 |
| Dixie Pipeline Co | 601-687-5206 | Horn Rd | Shubuta | MS | 39360 |
| Enron Gas Pipeline Operating Company | 601-598-2200 | RR 3 | Wiggins | MS | 39577 |
| Enron Gas Pipeline Operating Company | 601-598-2203 | 201 Florida Gas Rd | Wiggins | MS | 39577 |
| Exxon Pipeline Co | 601-734-2725 | Mallalieu Field | Bogue Chitto | MS | 39601 |
| Florida Gas | 601-796-8906 | Tung Ridge Rd | Lumberton | MS | 39455 |
| Hess Pipeline Co | 601-787-3641 | Eucutta Rd | Heidelberg | MS | 39439 |
| Howell Pipeline Usa Inc | 601-849-5522 | Hwy 541 | Magee | MS | 39111 |
| Koch Gateway Pipeline | 601-289-2541 | Hwy 35 S | Kosciusko | MS | 39090 |
| Koch Gateway Pipeline Co | 601-583-3782 | 30 Vardaman Dr | Petal | MS | 39465 |
| Koch Gatherings Systems | 601-746-6661 | Tinsley Rd | Yazoo City | MS | 39194 |
| La Gloria Oil Gas Co | 601-366-6221 | Hwy 49 | Jackson | MS | 39216 |
| Mccain Pipeline Co | 601-632-1118 | Lockhart | Meridian | MS | 39364 |
| Mid-Valley Pipeline Co | 601-647-5025 | Hwy 35 S | Charleston | MS | 38921 |
| Mid-Valley Pipeline Co Office | 601-234-4114 | College Hill Rd | Oxford | MS | 38655 |
| Mid-Valley Pipeline Co Pumping Station | 601-234-4182 | College Hill Rd | Oxford | MS | 38655 |
| Plantation Pipe Line Co Pumping Station | 601-765-4494 | Hwy 588 | Collins | MS | 39428 |
| Plantation Pipe Line Co Tank Farm | 601-765-8313 | Hwy 588 | Collins | MS | 39428 |
| Shell Companies Shell Pipeline Corp | 601-857-5541 | 1805 Snake Creek Rd | Raymond | MS | 39154 |
| Shell Pipe Line Co Cap Line | 601-657-8861 | Hwy 24 E | Liberty | MS | 39645 |
| Shell Pipe Line Corp | 601-487-1791 | Union Church Rd | Sardis | MS | 38666 |
| Shell Pipe Line Corp | 601-673-9160 | Hwy 16 | Yazoo City | MS | 39194 |
| Shell Pipe Line Corp | 601-833-3827 | Loyd Star | Brookhaven | MS | 39601 |
| Tennessee Gas Pipeline Co | 601-328-6716 | 511 Crowe Rd | Columbus | MS | 39702 |
| Texas Eastern Transmission Corp | 601-369-2461 | Old Houston Rd | Egypt | MS | 39730 |
| Texas Eastern Transmission Corp | 601-746-5761 | Levee Rd | Yazoo City | MS | 39194 |
| Texas Eastern Transmission Corp Maintenance Wa | 601-369-2522 | Old Houston Rd | Egypt | MS | 39730 |
| Transcontinental Gas Pipeline Corp | 601-783-6952 | Hwy 48 E | Magnolia | MS | 39652 |
| Transcontinental Gas Pipeline Corp | 601-876-3759 | 967 Highway 583 N | Tylertown | MS | 39667 |
| Transcontinental Gas Pipeline Corp Transmissio | 601-722-3280 | Hwy 535 E | Seminary | MS | 39479 |
| United Gas Pipeline Co | 601-684-5592 | Enon Rd | Mc Comb | MS | 39648 |
| Warrior Gas Co | 601-885-8825 | Newman Rd | Utica | MS | 39175 |
