Private Investigators in Diablo, CA

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Blue Knight Global Services

1. Blue Knight Global Services

(747) 226-3099

Serving the
Diablo Area

JL

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

Associated Investigation LTD

2. Associated Investigation LTD

(800) 720-8955

Serving the
Diablo Area

User Avatar

Gill is not only an esteemed professional in this field, he is kind and very patient. He went above and beyond to help me with a case, and I am…

Roman PI

3. Roman PI

(888) 309-0392

Serving the
Diablo Area

KN

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…

Finnegan Investigative Services

4. Finnegan Investigative Services

(415) 898-6032

Serving the
Diablo Area

PR

The most professional in the business, as far as results-driven performance,All paperwork is protected Detailed status reports as needed for my…

Mansfield Lierly and Associates Credibility Assessment Professionals

5. Mansfield Lierly and Associates Credibility Assessment Professionals

(916) 710-1030

Serving the
Diablo Area

BM

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…

Immendorf & Co Investigations

6. Immendorf & Co Investigations

(415) 776-7777

PO Box 407190
San Francisco, CA 94133

This is a trustworthy, experienced and professional investigation company. You won't be disappointed!!

AAA Credit Bureau

7. AAA Credit Bureau

(844) 449-5491

Serving the
Diablo Area

From Business: AAA Credit Bureau has been providing screening reports since 1990. We provide service for individual landlords, property management companies, commercial…

DVST Investigations

8. DVST Investigations

(925) 519-3184

4300 Black Ave Unit 1656
Pleasanton, CA 94566

PRISM Investigations  PI 23509

9. PRISM Investigations PI 23509

(925) 989-3975

Po Box 806
Pleasanton, CA 94566

From Business: As the owner of PRISM Investigations Phil Flores has vast experience in conducting investigations. During a 28 year career in law enforcement Phil has worked a…

Kramer Workplace Investigations

10. Kramer Workplace Investigations

(925) 208-1170

125 Railroad Ave
Danville, CA 94526

DTR Group

11. DTR Group

(925) 667-1769

4115 Blackhawk Plaza Cir Ste 100
Danville, CA 94506

Estate Research Associates

12. Estate Research Associates

BBB Rating: A+
34
YEARS
IN BUSINESS
(925) 743-9700

111 Deerwood Rd Ste 230
San Ramon, CA 94583

Wayne P Mortensen Pro Investigation

13. Wayne P Mortensen Pro Investigation

(925) 875-9740

133 Sedgefield Ct
San Ramon, CA 94583

Gab Investigations

14. Gab Investigations

(925) 846-7401

Po Box 10385
Pleasanton, CA 94588

Frasco Investigative Service

15. Frasco Investigative Service

(818) 848-3888

5994 W Las Positas Blvd Ste 205
Pleasanton, CA 94588

Preferred Investigations & Consulting S Ervices Inc

16. Preferred Investigations & Consulting S Ervices Inc

(925) 462-6604

2186 Rheem Dr
Pleasanton, CA 94588

S.I.S. Interquest

17. S.I.S. Interquest

(925) 415-2396

7027 Dublin Blvd Suite 103
Dublin, CA 94568

From Business: Provide investigative services for insurance companies and their legal counsel. Statements, surveillance and skip tracing

E M Jacob Investigations Inc

18. E M Jacob Investigations Inc

(925) 963-5716

1851 Piedras Cir
Alamo, CA 94507

Igroup Investigations

19. Igroup Investigations

(800) 875-8212

9000 Crow Canyon Rd Ste 156
Danville, CA 94506

Everett Neal Investigations

20. Everett Neal Investigations

(925) 829-0913

Po Box 2789
Dublin, CA 94568

Oakland Private Industry Council Inc.

21. Oakland Private Industry Council Inc.

(925) 227-1132

5020 Franklin Dr
Pleasanton, CA 94588

Tri Value Investigestigation

22. Tri Value Investigestigation

(925) 846-6038

3284 Omega Cir
Pleasanton, CA 94588

G A B Investigations

23. G A B Investigations

(925) 846-7401

2785 Turnstone Dr
Pleasanton, CA 94566

East Presidio Investigations

24. East Presidio Investigations

(925) 421-2134

1987 Santa Rita Rd Ste E
Pleasanton, CA 94566

Central Investigations

27. Central Investigations

(949) 699-9999

Serving the
Diablo Area

Central Investigation

28. Central Investigation

(818) 888-7887

Serving the
Diablo Area

Danville Investigations

29. Danville Investigations

(925) 831-8696

Serving the
Diablo Area

Investigations Plus

30. Investigations Plus

(925) 460-0244

Pleasanton, CA 94588

We found 114 results for Private Investigators in or near Diablo, CA.

They also appear in other related business categories including Skip Tracing, Bail Bonds, and Process Servers.


The businesses listed also serve surrounding cities and neighborhoods including Oakland CA, Pleasanton CA, and Walnut Creek CA. These businesses offer their services in one-or-more of the following languages: Spanish, Chinese, and Japanese.

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