Which type of horse has been used by both the British Household Cavalry and Anheuser-Busch Brewing Company for commercials?
Clydesdale horse:  The Budweiser Clydesdales are some of the most famous Clydesdales, and other members of the breed are used as drum horses by the British Household Cavalry. Budweiser Clydesdales: The Budweiser Clydesdales are a group of Clydesdale horses used for promotions and commercials by the Anheuser-Busch Brewing Company.
Clydesdales