Officials are seeking the public's help in identifying those involved.
The Minnesota-based company says it will offer an electric vehicle in each of its core product segments by 2025.
The company's CEO expressed hope that the situation will improve soon.
The bomb threat was called in Tuesday afternoon.
The list is based on average household income.
The Twin Cities car dealer magnate defrauded lenders out of millions of dollars.
Boat Holdings is the owner of brands including Bennington and Hurricane.