| Marcos | Cardenas | Kwok Daniel Ltd, L.L.P. | Houston | Details |
| Marcus R. | Tucker | Phelps Dunbar LLP | Houston | Details |
| Marcy Lynn | Rothman | Kane Russell Coleman & Logan PC | Houston | Details |
| Margaret | Brown | Lindow Stephens Treat LLP | San Antonio | Details |
| Margaret | Jennings | AIG | Houston | Details |
| Maria | Ugueto | Lanza Law Firm P.C. | Houston | Details |
| Mariah Baker | Quiroz | Thompson Coe Cousins & Irons L.L.P. | Dallas | Details |
| Marianne | Baker | Texas Department of Insurance | Austin | Details |
| Marietta M. | Maxfield | Marietta M. Maxfield | Cypress | Details |
| Marilyn Marie | Brown | Jackson Walker LLP | Austin | Details |
| Marilyn Otteman | Griffin | Griffin & Griffin | Houston | Details |
| Marilyn S. | Cayce | Thompson Coe Cousins & Irons L.L.P. | Houston | Details |
| Maris E. | Matocha | Kane Russell Coleman & Logan PC | Dallas | Details |
| Marisa | Jeffrey | Amy Stewart PC | Dallas | Details |
| Marisol | Saenz | USAA | San Antonio | Details |
| Marjorie | Salazar | The Monson Law Firm LLC | Kingwood | Details |
| Marjorie C. | Nicol | Shackelford | Houston | Details |
| Marjory N. | Batsell | Colvin Chaney Saenz & Rodriguez | Brownsville | Details |
| Mark | Domel | Texas Association of School Boards Inc. | Austin | Details |
| Mark | Lindow | Lindow Stephens Schultz LLP | San Antonio | Details |
| Mark | Perkins | Perkins & Associates LLC | Shreveport | Details |
| Mark | Rogstad | Wright & Greenhill PC | Austin | Details |
| Mark | Stacell | | Houston | Details |
| Mark | Broom | Phelps Dunbar LLP | Southlake | Details |
| Mark A. | McLean | Law Offices of Mark A. McLean | Frisco | Details |
| Mark A. | Ticer | Law Office of Mark A. Ticer | Dallas | Details |
| Mark Allen | Prislovsky | | Kerrville | Details |
| Mark B. | Shutt | Akerman LLP | Houston | Details |
| Mark C. | Brodeur | Brodeur Law Firm P.C. | Alice | Details |
| Mark C. | Burgess | Burgess Law Firm PLLC | Texarkana | Details |
