Circa Enterprises manufactures surge protection products. These products are designed to protect your equipment from potential lightning and power crosses, which can effect equipment performance, reduce reliability, lower productivity and decrease profitability.

Circa was founded in 1985 to provide high quality protection products to the communications industry. Circa has its' headquarters in Calgary, Alberta, Canada, with fully integrated manufacturing, service and distribution facilities. Through its' wholly owned subsidiary, Circa USA , Circa provides sales and service support to the US marketplace. In 1988, Circa was made a public company, and today is listed on the Toronto Stock Exchange (TSE).