Figure 1.
The map classifies United States counties by the sector with the most employment. The legend includes N A I C S 31 to 33 Manufacturing, N A I C S 62 Health care and social assistance, N A I C S 44 to 45 Retail trade, N A I C S 48 to 49 Transportation and warehousing, N A I C S 72 Accommodation and food services, N A I C S 61 Educational services, N A I C S 56 Administrative and support and waste management and remediation services, N A I C S 54 Professional, scientific, and technical services, N A I C S 42 Wholesale trade, N A I C S 71 Arts, entertainment, and recreation, N A I C S 23 Construction, N A I C S 21 Mining, quarrying, and oil and gas extraction, N A I C S 11 Agriculture, forestry, fishing and hunting, N A I C S 81 Other services except public administration, N A I C S 52 Finance and insurance, N A I C S 51 Information, N A I C S 55 Management of companies and enterprises, N A I C S 99 Unclassified, and N A I C S 22 Utilities.SSTI analysis of Bureau of Labor Statistics (BLS) Quarterly Census of Employment and Wages (QCEW) Data, U.S. Census Bureau 2021 boundaries