They make capital goods, not consumer products.
Wikipedia history, here.
Corporate website, here.
Market dominance in a niche, this and Turbo Tax.
Is this the quintessential family business, job creator the Republicans talk of generically but are often hard pressed for actual good examples? Are they still a non-public corporation similar to Cargill, or are shares publicly traded? That question is left for readers to answer on their own, if they care.
There is a competitive brand, per the slideshow online here. The pepsi of zambonis?
Or is the plural zambonies? Or do you care?