Clayton Homes
HomeServices of America
Indirect exposure to RE:
Acme
Nebraska Furniture Mart
Jordan Furniture
There are probably more RE related companies that are owned by BRK's subsidiaries.
WB simply chose not to take on the "dirty" job directly -- owning properties outright, dealing with obnoxious tenants etc. He chose to own a business that deals with the hassle. Anyway, he once owned a farm when he was still in high school.