TSR Inc

Incorporated in 1981, Karmak, Inc. is one of the leading providers of software solutions for business management in the United States, specializing in the heavy-duty truck and equipment industry. Based in Springfield, Mo., the company supplies advanced software applications to retailers that sell and service heavy-duty vehicles, trucks, trailers and equipment, as well as retail and wholesale businesses who distribute parts. It also provides inventory and service shop management software to control parts inventory and increase service shop efficiency.