With 1.8 million members, the largest service one of these organizations in North America is the SEIU
If these millions in union campaign contributions vanished tomorrow,... [DOC] [TLE] Join our union | SEIU Healthcare 1199NW [PAR] To do that, we've formed a union - an independent organization created by 
employees to ... Having a real voice has allowed thousands of SEIU members to 
make our jobs better: ... SEIU is the fastest-growing union in North America.