Rennert's Fire Equipment Service is a complete emergency response, apparatus sales and service company. Rennert's technicians are available for any of your fire truck needs. Most service jobs are handled in your station. Major repairs can easily be handled at our service center in Markesan. Rennert's guarantees competitive pricing while maintaining the highest quality standards. Our service trucks are equipped for 24 hour emergency service. Rennert's technicians are factory trained by the major pump manufacturers.