Private Investigation
Portland
14 businesses listed. How we order them.
Private Investigation in Portland by the numbers
SiteCity lists 14 businesses under Private Investigation in Portland, OR, as of September 27, 2026. 14 list a phone number and 12 list a website.
Most-listed ZIP codes: 97204 (4), 97232 (3) and 97212 (2).
Listings come from Overture Maps Foundation places data (release 2026-08-19.0, which includes Foursquare OS Places) and from businesses added or updated through SiteCity. How we count.
Listings14
- Northwest Investigations & Consulting LLC
8305 SE Monterey Ave, 97086
- Bond Investigations - Oregon
650 NE Holladay St, 97232
- HubHound Investigations, Inc
111 SW 5th Ave Ste 3150, 97204
- Cornerstone Investigative Services, Inc
650 NE Holladay St Ste 1600, 97232
- East Presidio Investigations
1819 SW 5th Ave Ste 311, 97201
- PDX P.I. - Portland Private Investigators
1001 SW 5th Ave Ste 1100, 97204
- Black Wolf Intelligence Group
1050 SW 6th Ave #1100, 97204
- Rosenallen Investigation Service
1050 SW 6th Ave, 97204-1121
- Fortify Polygraph
5933 NE Win Sivers Dr Ste 248, 97220
- Courtney & Associates
101 SW Madison St, 97207
- Gunderson Services, LLC
4411 NE Tillamook St, 97213
- Eclipse Investigations and Training Services
3800 NE Sandy Blvd, 97232
- GK SIERRA
2225 NE MLK Blvd Ste 201, 97212
- GK Sierra
2225 NE M L King Blvd, 97212
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