11        Agriculture, Forestry, Fishing and Hunting
21        Mining
22        Utilities
23        Construction
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
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 Food Services
81        Other Services (except Public Administration)
92        Public Administration