Created more than 16 years ago, Jake Marshall Service is a full-service mechanical contracting company that specializes in the installation and maintenance of heating, cooling and refrigeration systems. The company s action maintenance system program provides computerized maintenance tasking, computerized dispatching, customized services, service call history, inventory tracking, labor scheduling and priority service scheduling. Additional services offered include complete design/build services, mechanical system retrofits, sheet metal ductwork, refrigeration services, process piping, facility management services, automated controls and retrofits, chiller service and repair, boiler installation, and maintenance and performance contracting. Jake Marshall offers a variety of contract options, including full coverage, less than full coverage, automation systems coverage and water treatment coverage. Jake Marshall Service maintains its headquarters in Chattanooga, Tenn., and has operations in Knoxville, and Nashville, Tenn., Birmingham, Ala., and Dalton, Ga.