The collection consists of 169 agreements, 1940-1992, between various local unions of the International Association of Machinists or the International Association of Machinists and Aerospace Workers and numerous manufacturing and transportation corporations, government facilities, labor unions, and other entities.

The Records, 1943-1972, of International Association of Machinists and Aerospace Workers, Local 291 (Anniston, Alabama) consist primarily of correspondence, financial documents and minutes. The collection includes records of the organizing activity of District Lodge 178, 1953-1969, and those of the routine operations of defunct Lodge 1677 (Anniston, Gadsden, Talladega, Ala.), 1961-1963.

The International Association of Machinists Local 34 (Kenosha, Wisconsin) was chartered in 1897. The local's records include correspondence, newspaper clippings, contracts, agreements, photographs and charters, documenting its history, 1905 to 1988.