Col·lectius d'Obrers en Lluita (Catalan

Catalan language

Catalan is a Romance language, the national and only official language of Andorra and a co-official language in the Spanish autonomous communities of Catalonia, the Balearic Islands and Valencian Community, where it is known as Valencian , as well as in the city of Alghero, on the Italian island...

 for 'Collectives of Workers in Struggle') was a Catalan

Catalonia

Catalonia is an autonomous community in northeastern Spain, with the official status of a "nationality" of Spain. Catalonia comprises four provinces: Barcelona, Girona, Lleida, and Tarragona. Its capital and largest city is Barcelona. Catalonia covers an area of 32,114 km² and has an...

 left-nationalist trade union

Trade union

A trade union, trades union or labor union is an organization of workers that have banded together to achieve common goals such as better working conditions. The trade union, through its leadership, bargains with the employer on behalf of union members and negotiates labour contracts with...

. COLL functioned as the trade union wing of the Socialist Party of National Liberation - provisional (PSAN-p). COLL, which was formed by members of CC.OO. emerged in January 1977, with cells in Barcelona

Barcelona

Barcelona is the second largest city in Spain after Madrid, and the capital of Catalonia, with a population of 1,621,537 within its administrative limits on a land area of...

, Lleida

Lleida

Lleida is a city in the west of Catalonia, Spain. It is the capital city of the province of Lleida, as well as the largest city in the province and it had 137,387 inhabitants , including the contiguous municipalities of Raimat and Sucs. The metro area has about 250,000 inhabitants...

 and Majorca. In September the same year COLL broke away from CC.OO.

COLL published Obrers en Lluita.

In 1987 COLL merged into the Trade Union Workers Coordination (Coordinadora Obrera Sindical).