UPDATE 1-UPS air maintenance workers threaten strike ahead of shareholders meeting

April 30 (Reuters) - A union representing 1,200 U.S. air maintenance workers at United Parcel Service Inc turned up pressure on the company on Sunday to settle a three-year contract dispute, saying it would seek clearance to strike.

by reutersCOMPANYNEWS via Endless Supplies .Biz - News