Mystma | South Texas Merchants Association
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To improve the quality of our members lives anchored in building a foundation of education, transparency and integrity with all business practices, ethical principles and servant leadership to our membership.

In a Quest for a better tomorrow

Jubilee Insurance

An insurance that will celebrate your life’s jubilees together

Convenience Store Decisions


CSP Daily News

The Association for Convenience & Fuel Retailing

Our Vendor Partners

Our vendor partners include some of the most powerful companies in the world. We work with the best, because we offer services that make a difference.

Training and Education

STMA has teamed up with industry leading organizations like National Association of Convenience Stores (NACS), SAPD and TABC to offer best in class training.

Business Meeting

Safe Exchange Zone

Have a question? We can help.