Final answer:
The corporation that owns Fruit of the Loom, Dairy Queen, Helzberg Diamonds, the BNSF Railway, and GEICO is Berkshire Hathaway.
Step-by-step explanation:
The corporation that owns Fruit of the Loom, Dairy Queen, Helzberg Diamonds, the BNSF Railway, and GEICO is 1) Berkshire Hathaway. Berkshire Hathaway traces its origins to a business called Valley Falls Company founded in 1839.