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Economic Census: |
The following data are from the Economic Census. All of these reports classify industries by the percent of output accounted for by the largest 4, 8, 20 and 50 companies. Only the manufacturing report includes the Herfindahl-Herschmann Index. Data for 2002 and 1997 are organized and classified by the North American Industry Classification System (NAICS). Data for 1992 and prior years are organized and classified by the Standard Industry Classification (SIC) system.
| 21 | Mining (none available) |
| 22 | Utilities |
| 23 | Construction (none available) |
| 31-33 | Manufacturing |
| 42 | Wholesale Trade |
| 44-45 | Retail Trade |
| 48-49 | Transportation and Warehousing |
| 51 | Information |
| 52 | Finance and Insurance |
| 53 | Real Estate and Rental and Leasing |
| 54 | Professional, Scientific, and Technical Services |
| 55 | Management of Companies and Enterprises (none available) |
| 56 | Administrative and Support and Waste Management and Remediation Services |
| 61 | Educational Services |
| 62 | Health Care and Social Assistance |
| 71 | Arts, Entertainment and Recreation |
| 72 | Accommodation and Foodservices |
| 81 | Other Services (except Public Administration) |
1992 Economic Census
MC92-S-2 |
Concentration Ratios in Manufacturing |
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The following are extracted from "1992 Economic Census Establishment and Firm Size" reports. |
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FC92-S-1 |
1992 Census of Financial, Insurance and Real Estate Industries (1 Mb) |
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RC92-S-1 |
1992 Census of Retail Trade(.9 Mb) |
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SC92-S-1 |
1992 Census of Service Industries (4 Mb) |
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UC92-S-1 |
1992 Census of Transportation, Communications, and Utilities (2 Mb) |
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WC92-S-1 |
1992 Census of Wholesale Trade (4 Mb) |
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Concentration data are not available for mining and construction.
Source: U.S. Census Bureau, Economic Census
Last revised: September 21 2004
