Providing Emergency Vehicles Since 1996 - Where you start as a customer and finish as a friend. We are committed to the development and manufacturing of high-quality, low-cost emergency, medical, rescue and specialty vehicles. Sales & Models - We offer our own manufactured line of rescue vehicles and custom remounts. We are an authorized ambulance dealer for Osage Ambulance, Malley Industries. ​Service - Ambulances never take the night off. Your community depends on you and your ambulance and your vehicles always need to be performing at their best. ​Parts - Need parts for your ambulance, rescue or fire truck? Southeastern maintains an inventory of the most widely requested parts and has access to those hard-to-find parts.