The North American Industry Classification System (NAICS, pronounced Nakes) was developed as the standard for use by Federal statistical agencies in classifying business establishments for the collection, analysis, and publication of statistical data related to the business economy of the U.S. NAICS was developed under the auspices of the Office of Management and Budget (OMB), and adopted in 1997 to replace the old Standard Industrial Classification (SIC) system. It was also developed in cooperation with the statistical agencies of Canada and Mexico to establish a 3-country standard that allows for a high level of comparability in business statistics among the three countries. NAICS is the first economic classification system to be constructed based on a single economic concept.


NAICS Industry Groups
NAICS Code Description
521110 Monetary Authorities - Central Bank
522110 Commercial Banking
522120 Savings Institutions
522130 Credit Unions
522190 Other Depository Credit Intermediation
522210 Credit Card Issuing
522220 Sales Financing
522291 Consumer Lending
522292 Real Estate Credit
522293 International Trade Financing
522294 Secondary Market Financing
522298 All Other Nondepository Credit Intermediation
522310 Mortgage and Nonmortgage Loan Brokers
522320 Financial Transactions Processing,Reserve,and Clearinghouse Activities
522390 Other Activities Related to Credit Intermediation
523110 Investment Banking and Securities Dealing
523120 Securities Brokerage
523130 Commodity Contracts Dealing
523140 Commodity Contracts Brokerage
523210 Securities and Commodity Exchanges
523910 Miscellaneous Intermediation
523920 Portfolio Management
523930 Investment Advice
523991 Trust,Fiduciary,and Custody Activities
523999 Miscellaneous Financial Investment Activities
524113 Direct Life Insurance Carriers
524114 Direct Health and Medical Insurance Carriers
524126 Direct Property and Casualty Insurance Carriers
524127 Direct Title Insurance Carriers
524128 Other Direct Insurance (except Life,Health,and Medical) Carriers
524130 Reinsurance Carriers
524210 Insurance Agencies and Brokerages
525110 Pension Funds
525120 Health and Welfare Funds
525190 Other Insurance Funds
525910 Open-End Investment Funds
525920 Trusts,Estates,and Agency Accounts
525990 Other Financial Vehicles

The SIC covers the entire field of economic activities by defining industries in accordance with the composition and structure of the economy. Over the years, it was revised periodically to reflect the economy's changing industry composition and organization. The Office of Management and Budget (OMB) last updated the SIC in 1987.


SIC Industry Groups

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