U.S. Census Bureau

2007 NAICS Definitions


561611 Investigation Services

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

Illustrative Examples:

Fingerprinting services Private detective services Polygraph services Private investigative services

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


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Corresponding Index Entries
561611561611561611 Detective agencies
561611561611561611 Fingerprint services
561611561611561611 Investigation services (except credit), private
561611561611561611 Investigators, private
561611561611561611 Lie detection services
561611561611561611 Missing person tracing services
561611561611561611 Polygraph services
561611561611561611 Private detective services
561611561611561611 Private investigation services (except credit)
561611561611561611 Skip tracing services