DMA Current Year Estimate: Total Business Establishments 2009
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| DMA | Estab. | Rank |
| New York, NY | 980,126 | 1 |
| Los Angeles, CA | 716,503 | 2 |
| Chicago, IL | 379,366 | 3 |
| San Francisco-Oakland-San Jose, CA | 332,116 | 4 |
| Philadelphia, PA | 329,799 | 5 |

