The American Postal Workers Union (APWU), formed in 1971, represents more than 220,000 United States Postal Service employees and retirees, and nearly 2,000 private-sector mail workers. It represents employees of the United States Postal Service who are clerks, maintenance employees, and motor vehicle service workers. APWU works for decent pay, benefits, and safe working conditions for workers they represent. The APWU is a Union Network International and AFL-CIO affiliate.