With 1.8 million members, the largest service one of these organizations in North America is the SEIU
Focused on uniting workers in three sectors, SEIU is the largest health 
care ... one of the largest successful organizing drives by private sector workers 
ever... [DOC] [TLE] How Socialist Unions Rule the Democratic Party - FPM Article [PAR] Jul 14, 2004 ... A SINGLE LABOR UNION HAS COMMITTED $65 MILLION to defeating 
President George.