
1) US employee protection org 2) US mediation agency 3) US union agency 4) agency dealing with unions 5) Arbitration gp 6) Federal mediation agcy 7) Labour relations org 8) Mediation agcy 9) Mediation agency 10) Strike- monitoring agency 11) Strike-monitoring agcy 12) Union election agcy 13) Union elections agcy
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https://www.crosswordclues.com/clue/nlrb

National Labor Relations Board.
Found on
https://www.infoplease.com/dictionary/nlrb
No exact match found.