The Associated Builders and Contractors challenged the rule along with groups from other business sectors.

US Labor Dept. investigators say painting subcontractor Unforgettable Coatings Inc. falsified records to avoid paying overtime rates and retaliated against workers who complained.

Officials accuse Bridgeview, Ill.-based Drive Construction of setting up two layers of shell companies and paying workers in cash to avoid traceability.

Tip-off of EV plant's alleged workplace violations came from union local, Illinois authorities say.

Vehicle maker Rivian plant project subs from China, Spain and Mexico used complex arrangement to avoid paying overtime wages, state attorney general says.

Half of the payment is back pay for 362 workers; the rest is for liquidated damages.