St. John's Mercy Health Systems, Doing Business as St. John's Mercy Medical Center v. National Labor Relations Board

MELLOY, Circuit Judge.

The National Labor Relations Board (the “Board”) ordered St. John’s Mercy Medical Center (“St.John’s”) to comply with a union-security provision in its col lective-bargaining agreement (“CBA”) by discharging nurses who had not paid union dues. We affirm.

I. Background

St. John’s is a not-for-profit corporation operated by the Sisters of Mercy. Its principal offices and place of business are in St. Louis County, Missouri. St. John’s operates an acute, tertiary care hospital regulated by the state of Missouri. St. John’s has 4700 employees, including approximately 1400…