Simplify the following text for a Grade 10 native English-speaking person.
Original: Later the three factories Kupferhof Bauschenberg , Dollartshammer as well as StraÃ burger Hof fusionated to create the company Prym .
Simplified: Over the next few centuries , Kupferhof Bauschenberg merged with Dollartshammer and StraÃ burger Hof to build the company Prym .