APSO has been in existence since 1977 and, for the past four decades, has set and managed professional standards for the benefit of Members, their clients, candidates and employees.
The CEA(SA) represents employers engaged in the construction engineering industry, operating in the structural, mechanical, electrical, instrumentation, piping and project management fields .
In 2002, the need to form a unified body to engage in macro-level activities, to proactively lobby and to form associations with other stakeholders was identified and CAPES was established.