180 airport shuttle bus workers at Sky Harbor Airport in Phoenix went on strike following a breakdown in talks between Veolia Transportation and the Amalgamated Transit Union Local 1433. The main issues leading to impasse include health care costs, wages, holidays, sick leave, discipline procedures, and vacations.

The IBT Local 804 and the United Parcel Service of America Inc. (UPS) reached an agreement over a dispute in New York City involving the company’s recent decision to terminate 250 drivers when they stopped working to support a co-worker who had been fired for clocking in early. The union agreed to pay undisclosed monetary damages associated with “work stoppage.” UPS agreed to reinstate the driver whose termination led to the dispute and to change the discharges of the 250 drivers to suspensions.

About 50 striking workers and supporters picketed outside Piston Automotive’s North Toledo plant after workers walked out in protest of the company’s refusal to recognize union authorization cards. The workers agreed to go back to work the same day when the company’s president agreed to recognize the cards and promised not to retaliate against the workers who had walked out.

About 100 non-union port truck drivers at the Port of Los Angeles picketed for two days in protest of labor practices by Green Fleet Systems LLC, Total Transportation Services, Inc., and Pacific 9 Transportation Inc. The IBT led strikes concerning the categorization of drivers as independent contractors as opposed to employees. These employees are targeted in an ongoing unionizing campaign by the IBT.

Workers at Peterson Tractor locations in Northern California went on a two-day strike after negotiations with the Peterson Holding Company broke down. Members of the Operating Engineers Local 3 began the strike in the company’s Redding, Chico, and Willow locations. The union cited “unfair labor practices” including no raises for more than six years as reasons for the strike.

The American Postal Workers Union held a “day of action” at more than 50 Staples retail locations across 27 states in protest of an agreement between the U.S. Postal Service (USPS) and Staples to allow designated stores to provide certain types of postal services. The agreement between the USPS and Staples is part of a pilot program that would allow Staples to provide postal products and services to its customers If the pilot program goes well, the USPS intends to expand such services to 1,500 Staples stores across the country.

Members of IAM Lodge 2003 in Rucker, Ala. went on strike after rejecting L3 Communications Army Fleet Support LLC’s “last, best and final” contract offer. Union representatives had unanimously urged members to approve the proposal covering some 3,600 pilots and mechanics, which provided increases in wages and pension benefits. The Federal Mediation and Conciliation Service joined the negotiations and helped broker a settlement ending the strike May 5th. About 2,000 primarily entry-level service and technical employees at John Hopkins Hospital in Baltimore, Md. went on a three-day strike after negotiations broke down over wage increases. The workers said they would walk off the job again. Hopkins issued a statement saying it will continue to negotiate.

The Pennsylvania Electric Company (Penelec) is allowing 142 Utility Workers Union of America Local 180 (UWUA)-represented workers to return to work after a 20-week lockout. The parties are still without a contract. The company gave a last and final offer containing wage increases, higher shift premiums, and meal allowances. However, the UWUA and the company disagree on the company’s elimination of retiree health benefits and its implementation of a cash-balance pension plan for newly hired workers.