The Mass AFL–CIO is the umbrella organization for more than 750 local unions and intermediate bodies, such as joint boards and district councils, whose parent international unions are affiliated with the national AFL–CIO.

It is one of 51 state federations operated under a charter granted by the AFL–CIO.

Among its areas of interest are: jobs, workers' compensation, workplace health and safety, unemployment insurance, collective bargaining and tax policy.

The Mass AFL–CIO works with like-minded consumer, civic, religious and labor groups to achieve its goals.

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