[NEW:]Only a few months after its inception, Trueline’s downfall has led to a class-action lawsuit filed by employees who were laid off.

Trueline Infrastructure Solutions, a broadband construction firm backed by private equity giant Grain Management, abruptly shut down last week, laying off nearly all its 500 employees on Friday. The sudden closure shocked employees, prompting a class-action lawsuit against Trueline for allegedly violating federal labor laws. In its reporting, Fierce Network stated that Trueline emailed its staff on Friday to inform them that the …