A company that makes corrugated containers is closing its plant in Upper Macungie Township, affecting 60 workers.
A Worker Adjustment and Retraining Notification was issued Wednesday for Packaging Corp. of America’s facilities at 7451 and 7620 Cetronia Road near Trexlertown.
The WARN notice goes into effect Dec. 1. Federal law requires employers to provide notice 60 days in advance of a closing or mass layoff…