Where can I find a hummer limo in Houston, TX for a great price?

My wedding party consists of 24 peopleWhere can I find a hummer limo in Houston, TX for a great price?I have read before that there is a triple axle hummer limo that carry more than 22 people but that was in UK. Hopefully its available in the US already. I suggest you visit limoquoter.com that have a list of good limo companies. I go there for any inquiries of prices and limo services.