SIC Codes — Full 1987 Directory

All 1005 four-digit codes of the 1987 Standard Industrial Classification, each with its official NAICS equivalents. Or convert codes directly.

SIC 0xxx

SIC 1xxx

SIC 2xxx

SIC 3xxx

SIC 4xxx

SIC 5xxx

SIC 6xxx

SIC 7xxx

SIC 8xxx

SIC 9xxx

Need the NAICS equivalent?

Paste any list of SIC codes into the free SIC to NAICS crosswalk — official Census concordance, instant.

Data: 1987 SIC titles as published by U.S. government agencies (public domain, 17 U.S.C. §105).