Goods that could be stranded at sea if 45,000 members of the International Longshoremen’s Association make good on their threat to strike.

The looming threat of a dockworker strike could affect a number of businesses--particularly as the holiday season ramps up.

With a dockworkers’ strike threatening to close ports on the East and Gulf coasts beginning this week, Chris Butler is growing worried. Butler is CEO of the National Tree Company, and, like many businesses,