Private Investigators in Vallejo, CA

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Please contact the business for updated hours/services due to the COVID-19 advisory.

Associated Investigation LTD

1. Associated Investigation LTD

(800) 720-8955

Serving the
Vallejo Area


Found Gil & Associated to be extremely prompt, professional and just generally awesome in our civil rights case w/ RE to locating a witness

Hicks Investigations

2. Hicks Investigations

(707) 648-1594

521 Georgia St
Vallejo, CA 94590

Blue Knight Global Services

3. Blue Knight Global Services

(747) 226-3099

Calabasas, CA 91302


Outstanding company to work for! The staff is always professional. They always pay on time with no issues.

AAA Credit Bureau

4. AAA Credit Bureau

(844) 353-9235

Serving the
Vallejo Area

From Business: AAA CREDIT BUREAUAAA Credit Bureau has been providing credit, criminal and eviction reports for landlords since 1990. We offer two types of reports: basic credit…

DPS Protection Group

5. DPS Protection Group

(707) 515-9280

Vallejo, CA 94589


San Francisco Private Investigators - Detective | KROLLPFEIFFER & Co.

6. San Francisco Private Investigators - Detective | KROLLPFEIFFER & Co.

(707) 797-7475

Benicia, CA 94510

From Business: KROLLPFEIFFER & Co. are California licensed Private Investigators providing special investigatory legal services to Benicia, Napa, Vallejo, Fairfield and Sonoma.

Hicks Investigations

7. Hicks Investigations

(707) 648-1594

Po Box 5175
Vallejo, CA 94591

Culpepper Investigations

9. Culpepper Investigations

(707) 653-4988

126 Spikerush Cir
American Canyon, CA 94503

Patten Investigations

11. Patten Investigations

(707) 745-1922

3001 Bayshore Rd Ste 6
Benicia, CA 94510

Roman PI

12. Roman PI

(888) 309-0392

Serving the
Vallejo Area


I hired Frank to locate someone that I had been trying for 5 months to find on my own. He located the person in an hour! I strongly recommend Roman…

Mansfield Lierly and Associates Credibility Assessment Professionals

13. Mansfield Lierly and Associates Credibility Assessment Professionals

(916) 710-1030

Serving the
Vallejo Area


Great job you have done for me. Thanks for your Services. Outstanding test and follow up report. I recommend others to find a more professional…

Joanne G Von Aspern

14. Joanne G Von Aspern

(510) 724-6619

2310 San Pablo Ave
Pinole, CA 94564

Strategic Alliance Intl

15. Strategic Alliance Intl

(800) 963-7820

1438 Greenfield Cir
Pinole, CA 94564

County Government Investigation Bureau

16. County Government Investigation Bureau

(707) 253-4440

1535 Airport Blvd
Napa, CA 94558

Richter Investigative Svc

18. Richter Investigative Svc

(415) 717-8156

2436 Palos Ct
Pinole, CA 94564

Hocom Investigations

19. Hocom Investigations

(844) 233-7634

535 Main St
Martinez, CA 94553

Hocom Investigations

20. Hocom Investigations

(925) 957-6827

729 Ferry St
Martinez, CA 94553

Holliday Investigative Services

21. Holliday Investigative Services

(925) 370-6090

1155c Arnold Dr
Martinez, CA 94553

Nactaa Investigative Agency

23. Nactaa Investigative Agency

(925) 413-3411

35 Fountainhead Ct
Martinez, CA 94553

Cdo Investigations

24. Cdo Investigations

(707) 256-3303

140 Adobe Ln
Napa, CA 94559

Dewitt Detective Agency

25. Dewitt Detective Agency

(925) 293-4340

910 Court St
Martinez, CA 94553

Barbier Security Group

26. Barbier Security Group

(415) 747-8473

369b 3rd St
San Rafael, CA 94901

From Business: Barbier Security Group is a full service security and investigations company.  We are family owned and operated, with roots in the community going back 4…

Walshin Investigations

27. Walshin Investigations

(925) 363-5799

131 Glenbridge Ct
Pleasant Hill, CA 94523

Clarick G Brown Investigations

28. Clarick G Brown Investigations

(510) 525-1690

37 Avis Rd
Berkeley, CA 94707

Barbier Security Group

29. Barbier Security Group

(415) 578-7190

369 3rd St # 369
San Rafael, CA 94901

A very professional reliable security group with alot of expertise. Punctual, low profile at events and parties. A great family company

Stutchman Audio Laboratory

30. Stutchman Audio Laboratory

(707) 257-0828

421 Walnut St Ste 120
Napa, CA 94559

From Business: Welcome to Stutchman Forensic Laboratory where we've been providing expert enhancement and analysis in audio, video, and photographic imaging forensic science…

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