Athena manufactures serveral series of analog controllers designed for panel and subpanel PID temperature control, and accurate temperature control. The company builds a multi-loop PID controller that offers up to four loops of PID control with cascade and feed forward capabilities. Athena's temperature control family also includes several series of digital controllers and a series of limit controllers.

Thermal Equipment Sales is a supplier of Fuji, Omron, Konbo, Toho, Athena and Yokogawa brand digital temperature controllers. The company also supplies bulb and cap-style temperature controllers and digital temperature control panels.