[1] For the next twenty years, the company built thousands of boats and sold them around the world.
First, the name was spelled Silver Line, was later changed to Silverline.
Silver Line also tried manufacturing snowmobiles, but the sales didn't take off very well.
The factory was closed in 1980 and the name has since gone to a new boat company, Internautic Marine Group.
This article related to a manufacturing company is a stub.