View the map to the right to see which of our representatives serves your area. Thompson Power Systems is division of The Thompson Tractor Company, and has been providing critical power to Alabama and Northwest Florida for more than 65 years. As a world leader in backup and emergency power systems, Cat has built a reputation for performance, reliability and quality. By offering the trusted Cat brand of generator sets and power systems alongside our unmatched customer service and highly skilled technicians you can be assured that you will receive the best equipment and service in the industry.