The Consultative Commission on Industrial Change (known by its French acronym of CCMI, Commission consultative des mutations industrielles) became part of the European Economic and Social Committee (EESC) in 2002; therefore 2022 marks its 20th anniversary. The CCMI is the oldest EU body devoted to forecasting the future and accompanying the transition of industrial sectors. It succeeded the consultative committee of the ECSC (European Coal and Steel Community) created by the Treaty of Paris and was established as a distinct legislative commission within the European Economic and Social Committee. While CCMI's core business is rooted in its historic mission, namely the analysis of industrial change in coal and steel, its remit has progressively been extended to embrace all industrial ecosystems, covering both manufacturing and services. In this vademecum, we present its history, competences, and main orientations for the coming years, as well the 102 members and delegates that belongs to her.