That happened some time ago back home with a fairly large trucking company called Fox and Ginn.
Their truckers (who were doing pretty darn well at the time, if memory serves) threatened to strike. Company owner said "If you go on strike, I close down the business."
Truckers said "You don't have the (guts)." and struck. Owner shut the company's doors, that day. Kaput. Tout Finis.
Interestingly, I just googled "Fox and Ginn" and they're now a moving company. Looks like they're based in the same location. Can't be the same owners; they'd be long since retired (or passed away).....wonder if its their kids?
exactly the same thing that happened to Lightolier, a local manufacturer of lighting fixtures. management told the employees, who were getting good wages, and working conditions that if they voted to unionize, that they would close. been closed for well over a decade now.