Contributions to John Culberson
Negative contribution amounts denote returned contributions
| State | Year | Contributor | Office | Result | Amount |
| Texas | 1998 | AT&T | House | Won | $500 |
| Texas | 1998 | GTE CORP | House | Won | $500 |
| Texas | 1998 | TEXAS MEDICAL ASSOCIATION | House | Won | $500 |
| Texas | 1998 | KOCH INDUSTRIES | House | Won | $500 |