The Unions

Muni, up through the mid-management level, is a unionized environment.

• Transport Workers Union (TWU) Local 250-A represents 2,000 operators and automotive service workers. TWU Local 200 entry-level and mid-level supervisory personnel.
  
  
• The International Brotherhood of Electrical Workers (IBEW), Local 6 represents electrical maintenance workers.
  
  
  
• The International Association of Machinists (IAM) Local 1414 represents diesel mechanics.
  
  
  
  
• Service Employee International Union (SEIU) Local 790 represents clerical personnel, car cleaners and station agents.