The company went public in 1993 and is traded on the Toronto Stock Exchange (TSX) under the symbol CGY (formerly CTY).

They have a network of more than 1,800 health care professionals, who attend to over six million patient visits per year at over 180 clinic locations across Canada.

[19] Calian also provides on-site health services to corrections institutions, detention centres and large organizations operating in Canada's oil sands.

The company's training programs and exercises prepare civilians, police and military personnel designated for operation deployment.

In 2017 Calian formed partnerships with security vendors including Fortinet Technologies, Cylance, Gemalto, Terranova and Forcepoint.

The Systems Engineering line provided the deep-space antennas supporting the European Space Agency's (ESA) Rosetta spacecraft landing on comet 67P/Churyumov–Gerasimenko in 2014.