ENTREPRENEURS: Mize's Many Empires

Texas empire builders like Ross Perot, James Ling and Haroldson L. Hunt have a penchant for headlines —but D. (for Davis) Doyle Mize does not. A self-effacing entrepreneur known by only a few in the upper echelons of business, Mize, 48, is chairman of Houston's Southdown, Inc. In three years under Mize, Southdown has acquired a cluster of companies that drill for oil, develop land, refine sugar, make cement and sell beer, pushing its sales up from $35 million to $182 million, with net profits of $38 million last year. Now Mize is spreading into the thriving California wine business.

Mize's...

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