Accounting Portal

Tax Resources for Accountants and Small Businesses (U.S.)

2012 NAICS – The North American Industry Classification System

Updated ·

Sector Description
11 Agriculture, Forestry, Fishing and Hunting
21 Mining, Quarrying, and Oil and Gas Extraction
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

Downloadable Files

Description File Format
2012 Downloadable Files
2012 NAICS Definitions [PDF, 28KB]
2012 NAICS Index File [XLS, 21KB]
2012 NAICS to 2007 NAICS [XLS, 172KB]
2-6 digit 2012 Code Files [XLS, 219KB]
6-digit 2012 Code Files [XLS, 121KB]
2007 Downloadable Files
2007 NAICS Definitions [PDF, 2.6MB]
2007 NAICS Index File [XLS, 7.8MB]
2007 NAICS to 2002 NAICS [XLS, 158KB]
2007 NAICS to ISIC 4 [XLS, 353KB]
2-6 digit 2007 Code Files [XLS, 247KB] [TXT, 114KB]
6-digit 2007 Code Files [XLS, 128KB] [TXT, 54KB]
2002 Downloadable Files
2002 NAICS Definitions [PDF, 1.9MB]
2002 NAICS to 2007 NAICS [XLS, 158KB]
2002 NAICS US to ISIC Rev. 3.1 [XLS, 416KB]
2-6 digit 2002 Code Files [TXT, 105KB]
6-digit 2002 Code Files [TXT, 55KB]

Disclaimer
The information provided on Accounting Portal is for general informational and educational purposes only and does not constitute professional accounting, tax, financial, or legal advice. While we strive for accuracy and timeliness, no representation or warranty is made regarding completeness or reliability. Always consult a qualified professional before making any business, tax, or financial decisions. Neither Accounting Portal nor its authors are liable for any loss or damage resulting from the use of this information.

© 2025 Accounting Portal. All rights reserved.

Tags: