From 1870 to 1911, John D. Rockefeller built what was arguably the single most impressive business organization in history: Standard Oil. Mr. Rockefeller’s business strategy was to vertically integrate every aspect of the oil business (exploration, development, logistics, marketing) to assure an ongoing competitive advantage. His vehicles were not just mergers and acquisitions, though there were plenty of both along the way. Rather, they were interlocking series of trusts, partnerships and alliances designed for flexibility and control.