Private Investigators in Duarte, CA

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Blue Knight Global Services

1. Blue Knight Global Services

(747) 226-3099

Serving the
Duarte Area


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
Duarte Area

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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…

Delta  Bravo Security Group

3. Delta Bravo Security Group

(424) 435-4916

222 W 6th St Ste 400
San Pedro, CA 90731

From Business: Our management team is committed to providing you with the best service in the in the industry. From religious centers to retail to maritime and industrial, we…

Informed Decision

4. Informed Decision

(805) 371-1264

Serving the
Duarte Area

From Business: We're a full service investigation corporation based in Thousand Oaks, CA, but we serve clients nationwide. Our core competence is in conducting background…

Roman PI

5. Roman PI

(888) 309-0392

Serving the
Duarte 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…

Hernandez Investigations & Research

6. Hernandez Investigations & Research

(626) 338-9992

Serving the
Duarte Area

From Business: Strategic & Tactical Information for Business Since 1986 Serving ALL of southern California

Find the Children

7. Find the Children

(424) 278-9594

2656 29th St
Santa Monica, CA 90405

From Business: Donated cars help find missing kids. ---24 hour response for donation pickup. ---Your donation qualifies for a tax deduction. ---Running or not, no emission…

AAA Credit Bureau

8. AAA Credit Bureau

(844) 449-5491

Serving the
Duarte Area

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

Safetek Security Industries Inc.

9. Safetek Security Industries Inc.

(323) 255-5015

5915 N Figueroa St
Los Angeles, CA 90042

From Business: Founded in 1979, SafeTek Security Industries is a full-service investigation firm that caters to the needs of individuals, businesses and corporations worldwide.…

Bartell Investigations

10. Bartell Investigations

(626) 857-0770

2028 E Route 66 Ste 101
Glendora, CA 91740

Mischa S. Safdie' Private Investigator

11. Mischa S. Safdie' Private Investigator

BBB Rating: A+
(951) 796-3936

136 N Grand Ave Ste 278
West Covina, CA 91791


Great investigator! Outstanding job in surveillance and criminal cases. Will use again. Highly recommend him.

Romero Investigations & Associates

12. Romero Investigations & Associates

BBB Rating: A+
(213) 632-6150

908 S Village Oaks Dr
Covina, CA 91724


Thank you for the professionalism and support. I appreciate the attention to detail and perseverance that led to a successful outcome on my case.…

A Pineda Private Investigation

13. A Pineda Private Investigation

(626) 691-9727

345 W Foothill Blvd
Glendora, CA 91741

From Business: Lie Detection~Investigation Y Tambien En Espanol

Polygraph Investigation

14. Polygraph Investigation

(626) 905-4660

345 W Foothill Blvd
Glendora, CA 91741

From Business: A Pineda Private Investigation & Polygraph Service. We have been providing expert services in California and throughout the United States and out of the country…

Tillmann Forensic Investigations

15. Tillmann Forensic Investigations

(626) 483-0397

170 E College St Unit 4373
Covina, CA 91723

From Business: Tillmann forensic investigations is available for: •criminal •civil •government •private investigation •consultation •attorneys • prosecution • defense •crime…

IPS Investigation & Security

16. IPS Investigation & Security

(626) 430-9095

13949 Amar Rd
Baldwin Park, CA 91706

Trejo Investigations

17. Trejo Investigations

(626) 855-0057

1700 W Cameron Ave Ste 100
West Covina, CA 91790

Paul Nyland Investigations

18. Paul Nyland Investigations

(323) 255-1771

130 Windermere Ln
Glendora, CA 91741

Wingate Investigations & Assoc

19. Wingate Investigations & Assoc

(626) 966-7023

173 E College St
Covina, CA 91723

Petersen's Investigations Petersen's Investigations

20. Petersen's Investigations Petersen's Investigations

(626) 260-7767

157 N Glendora Ave Ste 215
Glendora, CA 91741

Vallado Investigations

21. Vallado Investigations

(626) 339-6045

412 N Barranca Ave
Covina, CA 91723

Triple Check Investigative Svc

22. Triple Check Investigative Svc

(626) 858-9339

953 N Grand Ave
Covina, CA 91724

California Property Invstgtns

23. California Property Invstgtns

(626) 335-7859

Po Box 610
Glendora, CA 91740

A Pineda Private Investagations

24. A Pineda Private Investagations

(626) 963-5292

Po Box 2196
Glendora, CA 91740

Sam Williams Pi

25. Sam Williams Pi

(626) 339-4541

100 N Barranca St Ste 496
West Covina, CA 91791

Kathleen Munro

26. Kathleen Munro

(626) 339-0051

136 N Grand Ave
West Covina, CA 91791

American Business

27. American Business

(626) 369-3352

2440 S Hacienda Blvd Ste 215
Hacienda Heights, CA 91745

The Gerstenberg Group

28. The Gerstenberg Group

(626) 938-1636

1171 W San Bernardino Rd
Covina, CA 91722

Schubert Investigations

29. Schubert Investigations

(626) 622-5507

396 S California Ave Unit 771
West Covina, CA 91793

National Intelligence Group

30. National Intelligence Group

(909) 447-8458

216 N Glendora Ave
Glendora, CA 91741

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