Two political consulting companies have sued Houston trial lawyer Jason A. Gibson, alleging he failed to pay for work they did on his campaign for the Democratic nomination for the U.S. Senate.

In Lonestar Strategies LLC v. Gibson, filed in the 151st District Court, the plaintiff alleges Gibson failed to pay $12,500 for campaign services. In Stanford Campaigns LLC v. Gibson, filed in the 190th District Court, the plaintiff alleges Gibson failed to pay $15,855 for campaign services.