The Bass Family – $8.2 Billion.
The four Bass brothers: Sid, Edward, Robert and Lee all inherited a small fortune from their oil tycoon uncle named Sid Richardson some four decades ago. Ever since, they have been building up that wealth to what it is now.
The Bechtel Family – $7.3 Billion.
You’re looking at the leaders of the engineering and construction business, the family who helped build the Hoover Dam and Channel Tunnel that is. Currently the Bechtel Corporation experiences some $37 billion in sales.