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P.S.I. Investigations llc
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Please contact us for a free, confidential quotation to assist you and your staff in making a more informed choice when retaining investigative firms and services.


Phone: 425-239-2315


(Head Office)   
8825 34 Avenue NE (Suite L-188)
Marysville, Snohomish County,
WA, 98271-8085

608 South First Street (Suite 211)
Mount Vernon, Skagit County,
WA, 98273

P.O. Box 006
Everett, Snohomish County,
WA, 98206-0006    

Neil Harrison CAI, CPI,
Criminal Defense Investigator


Serving the Greater Washington State Area including King, Snohomish, Skagit, Whatcom, Pierce, Island counties........ and more.