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Employer Categories and Corresponding Establishment NAICS Industries

This page shows the equivalent 2007 North American Industry Classification System (NAICS) industries for the 2007 Enterprise Classification System (ECS) sectors and categories shown in the prototype 2007 Enterprise Statistics tables. For the sectors, unless otherwise noted, the ECS sector code is the equivalent NAICS code. The abbreviation "n.e.c." indicates "not elsewhere classified."

To assign a primary Enterprise Classification System category, the Census Bureau used aggregations of domestic establishment payroll data. For each enterprise, the classification methodology starts by excluding nonoperating establishments - establishments classified as manufacturers' sales branches and offices, central administrative offices (NAICS 551114), and "auxiliaries." From the remaining establishments, a primary NAICS sector is selected. If the primary sector is outside the scope of the 2007 Economic Census, the records of the establishments in these sectors are deleted and a primary in-scope sector is selected based on payroll. The primary Enterprise Classification System category is the category in that sector with the largest aggregate payroll. (This is the same method used for the 1992 Enterprise Statistics Program.)

2007 Enterprise Classification System (ECS) to Establishment NAICS Correspondence

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Page Last Revised - October 8, 2021
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