Just had a quick shuftie on Wikipedia.
Rebadged imported Royal Enfields
Brockhouse Engineering acquired the rights to the Indian name after Indian went under in 1953. From 1955 through 1960, they imported English Royal Enfield motorcycles, mildly customized them in the US, and sold them as Indians. Almost all Royal Enfield models had a corresponding Indian model in the USA. The models were Indian Chief, Trailblazer, Apache (all three were 700 cc twins), Tomahawk (500 cc twin), Woodsman (500 cc single), Westerner (500 cc single), Hounds Arrow (250 cc single), Fire Arrow (250 cc single), Lance (150 cc 2-stroke single) and a 3-wheeled Patrol Car (350 cc single).
In 1960, the Indian name was bought by AMC of England. Royal Enfield being their competition, they abruptly stopped all Enfield-based Indian models except the 700 cc Chief. Their plan was to sell Matchless and AJS motorcycles badged as Indians. However, the venture ended when AMC itself went into liquidation in 1962.