CEO – Robert Calvin Brown. COO – Tyrone Hurd. Since 2005, A Posh Limousine service has proven to be the leader in the Metro Memphis limousine service and party bus rental market. Our reputation is built on our commitment to providing a stylish, luxurious fleet of vehicles, a history of satisfied customer experiences and the most competitive pricing in the marketplace. Note: State of the art one of a kind Party Buses built by us, A Posh Limousine Service right here in Memphis Tn.