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2002 NAICS Definitions

 

561611 Investigation Services

This U.S. industry comprises establishments primarily engaged in providing investigation and detective services.

Cross-References. Establishments primarily engaged in providing credit checks are classified in Industry 561450, Credit Bureaus.

Go to: No change 1997 to 2002 2002 NAICS to 1987 SIC 1997 Economic Census Bridge Between 1997 NAICS and SIC
2002
NAICS		1997
NAICS		1987
SIC		Corresponding Index Entries
5616115616117381Detective agencies
5616115616117381Fingerprint services
5616115616117381Investigation services (except credit), private
5616115616117381Investigators, private
5616115616117381Lie detection services
5616115616117381Missing person tracing services
5616115616117381Polygraph services
5616115616117381Private detective services
5616115616117381Private investigation services (except credit)
5616115616117381Skip tracing services