Ports on both sides of the Delaware River support thousands of jobs and move vast amounts of cargo through the South Jersey-Philadelphia area. However, the International Longshoremen’s Association — representing about 25,000 port workers on the East and Gulf coasts —– might strike when a contract expires at midnight Monday, Sept. 30.

The International Longshoremen’s Association that represents nearly 45,000 dock workers at three dozen U.S. Ports from Maine to Texas including Philadelphia and Wilmington Ports are threatening to strike.