The Standard Industrial Classification (SIC) codes listed below were used to identify manufacturing industry groups prior to 1999.
The North American Industry Classification System (NAICS) codes replaced the SIC codes in federal publications beginning in 1999.
Code SIC Title Code NAICS Title
20 Food and Kindred Products 311 Food Manufacturing
21 Tobacco Manufactures 312 Beverage and Tobacco Product Manufacturing
22 Textile Mill Products 313 Textile Mills
23 Apparel and Other Textile Products 314 Textile Product Mills
24 Lumber and Wood Products 315 Apparel Manufacturing
25 Furniture and Fixtures 316 Leather and Allied Product Manufacturing
26 Paper and Allied Products 321 Wood Product Manufacturing
27 Printing and Publishing 322 Paper Manufacturing
28 Chemicals and Allied Products 323 Printing and Related Support Activities
29 Petroleum and Coal Products 324 Petroleum and Coal Products Manufacturing
30 Rubber and Miscellaneous Plastics Products 325 Chemical Manufacturing
31 Leather and Leather Products 326 Plastics and Rubber Products Manufacturing
32 Stone, Clay, and Glass Products 327 Nonmetallic Mineral Product Manufacturing
33 Primary Metal Industries 331 Primary Metal Manufacturing
34 Fabricated Metal Products 332 Fabricated Metal Product Manufacturing
35 Industrial Machinery and Equipment 333 Machinery Manufacturing
36 Electronic and Other Electric Equipment 334 Computer and Electronic Product Manufacturing
37 Transportation Equipment 335 Electrical Equipment, Appliance, and Component Manufacturing
38 Instruments and Related Products 336 Transportation Equipment Manufacturing
39 Miscellaneous Manufacturing Industries 337 Furniture and Related Product Manufacturing
    339 Miscellaneous Manufacturing
Sources:  Office of Management and Budget, Standard Industrial Classification Manual 1987, 1988; and North American Industry Classification System,
United States, 1997, 1998.
Last updated: 08/03/10
by Nebraska Databook