Markel Products Company, established in 1921 and a division of TPI Corporation, is a leading provider of electric heating, ventilation, and lighting solutions for commercial, industrial, and residential applications. Their product range includes electric heaters, thermostats, controls, industrial fans, and lighting systems, designed for durability and energy efficiency. Markel's offerings cater to various needs, from general heating to specialized applications requiring explosion-proof or wash-down rated equipment. With a focus on quality and innovation, Markel continues to be a trusted choice for professionals seeking reliable comfort conditioning solutions