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561611 - Investigation Services

Top Businesses by Revenue for 561611:

Kroll LLCNew YorkNY
McRoberts Protective Agcy IncNew YorkNY
Gw Consulting IncArlingtonVA
Pinkerton Consulting & InvstgtAnn ArborMI
US Security AssociatesTinley ParkIL
Sdg Global IncSouth HollandIL
Frasco IncBurbankCA
B K Tchout Invstigations IncFlintMI
Securatex LtdChicagoIL
Culpepper & Assoc SEC Svcs IncAtlantaGA

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


  • Establishments primarily engaged in providing credit checks are classified in Industry 561450, Credit Bureaus.
Index Entries for 561611
561611561611561611Background check services
561611561611561611Bounty hunting services
561611561611561611Detective agencies
561611561611561611Fingerprint services
561611561611561611Investigation services (except credit), private
561611561611561611Investigators, private
561611561611561611Lie detection services
561611561611561611Missing person tracing services
561611561611561611Polygraph services
561611561611561611Private detective services
561611561611561611Private investigation services (except credit)
561611561611561611Skip tracing services