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The Unionization Process: Illinois

The Unionization Process requirements for other states

Federal law and guidance on this subject should be reviewed together with this section.

Authors: Stuart R. Buttrick, Susan W. Kline and Tareen Zafrullah, Faegre Drinker Biddle & Reath LLP


  • For private sector employees, the National Labor Relations Act (NLRA) governs labor union organizing and collective bargaining, so long as their employers are covered by the jurisdictional requirements of the NLRA. See Right to Organize and Bargain Collectively.
  • Illinois is not a "right to work" state. See Right to Work.
  • Successor clauses apply to successor employers. See Successor Employers.