The names of three unions still in existence are the National Education Association, the Teamsters and the United Steelworkers. The Teamsters and United Steelworkers have diversified since their founding to include workers from many fields besides transportation and steel working.
The NEA is a union that includes public school teachers, faculty, staff and retirees. The International Brotherhood of Teamsters has many different workers from virtually every occupation, professional and non-professional.
The United Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied Industrial and Service Workers International Union, or the United Steelworkers, has industrial workers from many industries, including metals, glass, chemicals and transportation. It also has healthcare and call center workers.