Abstract The Service Employees International Union (SEIU) was founded in 1921 as a union of flat janitors. Over the years it has grown in size and scope, now comprising three divisions: healthcare, property services, and public services. While most of SEIU’s members reside in the United States, the SEIU is an international union with members and affiliates in countries all over the world. The records of SEIU’s International Affairs Department document the SEIU’s relationships with companies, unions,...