CO-industri (The Central Organisation of Industrial Employees in Denmark) was founded in 1992. The organisation which is an association of trade unions formed to look after common interests was formed as CO-Metal (The Central Organisation of Danish Metal Workers) on 1 July 1912 by three trade unions. The objective was to ensure reasonable pay and working conditions for members of the iron and metal industries.

Today, eight unions for employees in the industrial sector are united in the cartel CO-industri which consists of workers employed on a time-rate basis as well as technical and administrative workers employed on a salaried basis in Danish industry.