International Association of Machinists and Aerospace Workers (IAMAW) Local Lodge 174 (Washington, D.C.), "Columbia Lodge," is one of the oldest Machinists' lodges in North America. IAMAW Local Lodge 174 (Washington, D.C.) records consists of photographs, pins, financial ledgers and documents from the early portion of the lodge's history.

The records of International Brotherhood of Painters and Allied Trades Local 30 (Savannah, Ga.) consist of office files, ledgers, publications, and some separated material. The collection includes dues and minute books from "colored" Local 1463 which joined Local 30 in the 1960s.

United Textile Workers of America, Local 257 represented textile workers at various Erwin Cotton Mills plants in North Carolina and Mississippi. The local's records, 1900-1986 (bulk 1940-1960), consist primarily of grievances and arbitration cases. Other records include constitutions and bylaws, correspondence, union membership rosters, office files, photographic materials, financial ledgers, printed materials, and artifacts.