The Jac Pac plant in Manchester has served as the city's largest employer of low-skilled workers for years.
People who didn't qualify for other blue collar jobs could often find work on the JAC PAC assembly line.
Often those people were newly arrived immigrants.
But the plant's owners, Tyson Foods has announced they will close their doors in early February.
400 Manchester residents will soon be out of work.
And city agencies are scrambling to prepare for what may follow.
New Hampshire Public Radio's Rebecca Kaufman has more