| Business | Phone |
| Aspen Exploration Corp 804 N Us Highway 83, Zapata 78076 | (956) 765-0931 |
| Westport Oil & Gas Corpus Christi, Zapata 78076 | (956) 936-3145 |
| Eog Resources Inc 539 Fm 496 W, Zapata 78076 | (956) 765-4065 |
| Trevino's Black Gold Prod Gag 311 Gonzalez St, Zapata 78076 | (956) 765-8357 |