11 - Forestry, fishing, hunting, and agriculture support
21 - Mining
22 - Utilities
23 - Construction
31 - Manufacturing
42 - Wholesale trade
44 - Retail trade
48 - Transportation & warehousing
51 - Information
52 - Finance & insurance
53 - Real estate & rental & leasing
54 - Professional, scientific & technical services
55 - Management of companies & enterprises
56 - Admin, support, waste mgt, remediation services
61 - Educational services
62 - Health care and social assistance
71 - Arts, entertainment & recreation
72 - Accommodation & food services
81 - Other services (except public administration)
95 - Auxiliaries (exc corporate, subsidiary & regional mgt)
99 - Unclassified establishments