BusinessWeek lists the Top 10 non-oil companies:
| 1959 | 2006 | |
|---|---|---|
| 1 | AT&T | General Electric |
| 2 | General Motors | Microsoft |
| 3 | DuPont | Citigroup |
| 4 | General Electric | Bank of America |
| 5 | Union Carbide | Proctor & Gamble |
| 6 | U.S. Steel | Pfizer |
| 7 | IBM | Wal-Mart |
| 8 | Sears, Roebuck | Johnson & Johnson |
| 9 | Aluminum Company of America | American International Group |
| 10 | Bethlehem Steel | Altria |
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