The complaint said the search and seizure were unlawful under the 4th Amendment.
Complaint alleges 18 companies conspired to depress pay.
The company is one of the largest turkey producers and processors in the in US.
Overdoing selection for meat may take away from other vital systems.
The company also had an accident with a worker on Sept. 26.
The $34 million project included a 35,000-sq.-ft. expansion.
The DOJ recently issued a subpoena to Tyson Foods as well.
Hormel Corp. sells 15 other flavors of the product.
Industry applauds the new rule that gives processors an alternative to the current system.