Gavin Massingill
gavin.massingill@gmail.com
(512)7453554
1111 Guadalupe St., Austin, TX, 78701, 
1) Altria Client Svcs & Affiliates-Philip Morris USA, John Middleton, USSTC & Helix Innov. & NJOY
2) Association for Accessible Medicines
3) AT&T
4) Centene Corporation on behalf of its affiliates and subsidiaries including Superior HealthPlan
5) Edwards Aquifer Authority
6) Las Vegas Sands Corp.
7) Oncor Electric Delivery Company LLC
8) Port Freeport
9) Raptor Technologies
10) Texas Aggregates & Concrete Association
11) Texas Association of Sports Officials
12) Texas Automobile Dealers Association
13) Texas Chemistry Council
14) Texas Deer Association
15) Texas McDonald's Operators Association PAC, Inc.
16) Texas Optometric Association
Last Updated: January 18, 2026