Legal Question in Technology Law in Texas

That sounds like a false designation or origin in violation of 15 USC 1125 and if they are using your brand names, trademark infringement in violation of 15 USC 1114. If they are deliberately causing confusion and your company has priority of use, the penalties can be severe for them, including loss of profits, injunctions, attorneys fees and expenses plus punitive damages. You should see a trademark litigation attorney right away for possible issuance of a CDL with a short deadline followed by suit if this persists.