Warsteiner beer is brewe in the Arnsberger Forestpark outside of Warstein, Germany. Warsteiner has been a product of the Cramer family since 1753. Warsteiner is Germany's largest privately owned brewery, and its most popular beer is Warsteiner Premium Verum. Albert Cramer is company owner and managing director of Warsteiner and has used his company to promote and create a fanbase for competitive hot air ballooning in Germany.