| Amount | Name | Employer | Rank | |
|---|---|---|---|---|
| $8,303,139 | Bob & Doylene | Perry | Perry Homes | 1 |
| $2,277,850 | Harold C. | Simmons | Contran Corp. | 2 |
| $2,090,138 | John Steven & Amber Anderson | Mostyn | Mostyn Law Firm | 3 |
| $1,868,366 | Lisa Blue | Baron | Baron & Blue | 4 |
| $1,550,000 | David & Martha | Alameel | Jefferson Dental Clinics PC | 5 |
| $1,200,000 | John Herschel | McCall | Armstrong McCall Beauty Supply | 6 |
| $1,172,500 | Trevor D. | Rees-Jones | Chief Oil & Gas LLC | 7 |
| $1,002,766 | Charles C. | Butt | HEB Grocery Co. | 8 |
| $951,171 | Aimee | Boone | Brooks Group TX Democratic Party | 9 |
| $892,500 | Robert C. | McNair Jr. | Cogen Technologies Houston Texans | 10 |
| $881,831 | George Brint & Amanda | Ryan | Ryan & Co. P | 11 |
| $858,743 | Garrett & Cecilia | Boone | Container Store | 12 |
| $844,590 | Peter & Julianna Hawn | Holt | Holt Companies San Antonio Spurs | 13 |
| $807,484 | John L. & Barbara E. | Nau III | Silver Eagle Distributors L | 14 |
| $735,000 | Kenny & Lisa | Troutt | Mt. Vernon Investments LLC | 15 |
| $724,003 | Thomas Dan | Friedkin | Friedkin Companies Inc. | 16 |
| $705,734 | Robert & Terry | Rowling | TRT Holdings, Inc. | 17 |
| $705,438 | Lee & Amy | Fikes | Bonanza Oil Inc. | 18 |
| $698,718 | Richard W. | Weekley | Weekley Properties Texans for Lawsuit Reform | 19 |
| $680,507 | Naomi D. | Aberly | HBK Investments | 20 |
| $676,500 | Peter & Edith Jones | O'Donnell | O'Donnell Foundation | 21 |
| $662,786 | Joe R. | Straus II | State of Texas Watson Mazur Bennett and Straus | 22 |
| $659,208 | Harlan R. & Katherine | Crow | Crow Holdings | 23 |
| $616,000 | H. Ross | Perot Jr. | Hillwood Development Group Dell Perot | 24 |
| $608,420 | James Doug | Pitcock Jr. | Williams Brothers Construction | 25 |
| Amount | Name | Rank |
|---|---|---|
| $7,625,679 | Mostyn Law Firm | 1 |
| $5,984,382 | Texans for Lawsuit Reform | 2 |
| $5,441,447 | Texas Association of Realtors | 3 |
| $3,237,106 | Bill White for Texas | 4 |
| $2,668,769 | Texas Democratic Trust | 5 |
| $2,638,896 | Texans for Insurance Reform | 6 |
| $2,459,660 | Texans for Joe Straus | 7 |
| $2,267,854 | Associated Republicans of Texas | 8 |
| $2,102,941 | Energy Future Holdings | 9 |
| $2,039,659 | House Democratic Campaign Comm. | 10 |
| $2,029,788 | Democratic Governors Assoc. | 11 |
| $1,688,326 | AT&T | 12 |
| $1,642,890 | Texas Medical Association | 13 |
| $1,556,250 | Border Health | 14 |
| $1,200,000 | American Crossroads | 15 |
| $1,172,478 | HillCo | 16 |
| $1,117,432 | Fulbright & Jaworski | 17 |
| $1,104,953 | TXU Energy PAC | 18 |
| $1,066,635 | Republican State Leadership Comm. | 19 |
| $1,043,567 | Williams Kherkher Hart & Boundas | 20 |
| $1,041,400 | Andrews Kurth | 21 |
| $974,168 | Texas Friends of Time Warner Cable | 22 |
| $954,621 | American Electric Power | 23 |
| $936,120 | American Fed. of State County & Mun. Employees | 24 |
| $932,825 | Assoc. General Contractors of Texas | 25 |