The Antunes Controls Division of A J Antunes & Co. is a international supplier of air and gas pressure switches, electronic controls, freezestats, thermostats, temperature displays and controllers. Since its founding in 1955 the company has demonstrated it ability to provide high-quality solutions. The company was a pioneer in the development of gas pressure switches and, with only minor design changes, the same switches are still recognized as Industry standards.

In 2003 A.J. Antunes & Co. opened their new facility in Suzhou China to help meet the international demand for its products. Products from all three divisions are sold in over 130 countries.