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      Private Investigators & Detectives in Diamond Bar, CA

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      1. Creative Investigations

      Creative Investigations
      213-973-7779Call Now
      Directions
      5.0
      5.0
      Private Investigators & DetectivesChild Support CollectionsDivorce Assistance

      1042 N Mountain Ave, Upland, CA 91786

      OPEN 24 HOURS

      "Great company, great PI, would def recommend."

      YP
      16 Years
      in Business

      4. Starside Security & Investigation, Inc.

      Starside Security & Investigation, Inc.
      909-396-9999Call Now
      Directions
      Private Investigators & DetectivesSecurity Guard & Patrol ServiceLocks & Locksmiths

      1930 S Brea Canyon Rd Ste 220, Diamond Bar, CA 91765

      CLOSED NOW:Closed

      From Business: STARSIDE security & investigation. Inc.is a minority women owed business. With offices across the nation. STARSIDE corporate offices are located in diamond BAR. CA (LOS Angeles…

      5. Mandala Investigations Inc

      Mandala Investigations Inc
      909-599-6777Call Now
      Directions
      Private Investigators & DetectivesSecurity Guard & Patrol ServiceSecurity Equipment & Systems Consultants

      464 E Bonita Ave Ste 2, San Dimas, CA 91773

      From Business: Mandala Investigations is a licensed private investigations and security firm. The firm's president is a retired LAPD sergeant and a Certified Fraud Examiner. We investigate…

      YP
      13 Years
      in Business

      6. Trm Investigations And Recovery

      Trm Investigations And Recovery
      909-702-8203Call NowVisit Website
      Directions
      Private Investigators & DetectivesSecurity Guard & Patrol Service

      433 N 3rd Ave, Upland, CA 91786

      OPEN 24 HOURS

      From Business: TRM Investigations and Recovery provides professional Investigative Services in the business of locating hard to find assets and an aggressive approach to the enforcement of a…

      YP
      16 Years
      in Business

      7. Tag Force Security & Patrol Services, Inc.

      Tag Force Security & Patrol Services, Inc.
      909-972-2276Call NowVisit Website
      Directions
      Private Investigators & DetectivesSecurity Guard & Patrol ServiceCollection Agencies

      5206 Benito St, Montclair, CA 91763

      OPEN 24 HOURS

      From Business: Our Objectives: · To preserve and defend our clients’ lives and property. · To provide our clients with officers and agents with the highest training and integrity. · To give…

      YP
      21 Years
      in Business

      9. Joe Mar Polygraph & Investigation Services Inc

      Joe Mar Polygraph & Investigation Services Inc
      909-463-1423Call NowVisit Website
      Directions
      Private Investigators & DetectivesLie Detection Service

      415 W Foothill Blvd Ste 125B, Claremont, CA 91711

      From Business: JOE E. DELIA is the founder and CEO of JOE MAR POLYGRAPH & INVESTIGATIVE SERVICES and is a Certified Polygraph Examiner (providing polygraphs, interviews, court testimonies,…

      12. Jackson, Jackson & Associates

      Jackson, Jackson & Associates
      855-889-2528Call Now
      Directions
      Private Investigators & Detectives

      1249 S Diamond Bar Blvd Ste 347, Diamond Bar, CA 91765

      OPEN 24 HOURS

      16. Richard Nink Investigation

      Richard Nink Investigation
      909-839-3301Call Now
      Directions
      Private Investigators & Detectives

      280 S Lemon Ave Unit 1904, Walnut, CA 91788

      OPEN NOW:6:00 am - 8:00 pm
      YP
      28 Years
      in Business

      We found 238 results for Private Investigators Detectives in or near Diamond Bar, CA.They also appear in other related business categories including Security Guard & Patrol Service, Process Servers, and Security Equipment & Systems Consultants. 8 of the rated businesses have 4+ star ratings.


      The businesses listed also serve surrounding cities and neighborhoods including San Dimas, Diamond Bar, and The Canyon. These businesses offer their services in one-or-more of the following languages: Spanish, and Tagalog.