Under Mayor Ed Murray's minimum wage proposal announced today, small businesses are defined as having 500 employees or less. And these businesses have seven years to gradually adjust wages to $15 per hour. So:

Capitol Hill's Chamber of Commerce suggests Pagliacci Pizza, which I thought of as more of a fast-food chain than a small business. That's the only one I've heard of, so far. I've also asked the Seattle Metropolitan Chamber of Commerce for any examples they might have.