Who are the European dirt bike manufacturers?

In 1969 Ossa was one of the top European dirt bikes, made in Spain. Ossa was just one of many European bikes available in the United States. It was the heyday for European bike manufacturers. Besides Ossa, other European bikes sold in the U.S. were Bultaco (Spain), Greeves (England), BSA (England), CZ (Czechoslovakia), Maico (Germany), and Husqvarna (Sweden). From Dirt Biker Chronicles see their web at usdirtbiker.com