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      Private Investigators & Detectives in Los Altos, CA

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      68. Bayside Patrol & Investigations, Inc.

      Bayside Patrol & Investigations, Inc.
      408-986-8480Call NowVisit Website
      Directions
      Private Investigators & DetectivesSecurity Guard & Patrol Service

      1825 De La Cruz Blvd, Santa Clara, CA 95050

      From Business: Bayside Patrol & Investigations, Inc. is a premier service provider for mobile patrol and onsite security services in the Bay Area. We offer 24-HOUR call response and emergency…

      YP
      24 Years
      in Business

      69. Metro Polygraph

      Metro Polygraph
      510-432-3955Call NowVisit Website
      Directions
      Private Investigators & DetectivesLie Detection ServiceSkip Tracing

      39899 Balentine Dr Ste 200, Newark, CA 94560

      OPEN 24 HOURS

      From Business: Metro Polygraph is proud to provide lie detection services following federally approved standards. Specializing in Infidelity/ Relationship, Criminal / Civil, Immigration/…

      YP
      26 Years
      in Business

      77. Orion Security Patrol

      Orion Security Patrol
      510-445-1696Call NowVisit Website
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      4.5
      4.5
      Private Investigators & DetectivesSecurity Guard & Patrol Service

      3909 Stevenson Blvd, Fremont, CA 94538

      "I LOVE WORKING WITH THIS COMPANY. THE STAFF TREATS EVERYBODY LIKE FAMILY. THEY TREAT PEOPLE WITH RESPECT AND THEY CARE. I WOULD NOT GO ELSEWHERE. I HAVE RECOMMENDED ORION…"

      79. Dietz Associates Inc

      Dietz Associates Inc
      408-293-5100Call NowVisit Website
      Directions
      Private Investigators & DetectivesSecurity Equipment & Systems Consultants

      1155 N 1st St Ste 111, San Jose, CA 95112

      CLOSED NOW:9:00 am - 5:00 pm

      From Business: Dietz Associates, Inc., Investigative Services is a Full-Service Detective Agency providing a wide array of confidential and professional investigations for law firms,…

      81. Mc Grew & Assoc Inc

      Mc Grew & Assoc Inc
      408-246-8585Call NowVisit Website
      Directions
      Private Investigators & Detectives

      826 N Winchester Blvd Ste 2H, San Jose, CA 95128

      OPEN NOW:8:30 am - 6:00 pm

      88. San Jose Detective Agency Inc

      San Jose Detective Agency Inc
      408-268-5900Call NowVisit Website
      Directions
      5.0
      5.0
      Private Investigators & Detectives

      4960 Almaden Expy, San Jose, CA 95118

      OPEN NOW:9:00 am - 9:00 pm

      "This Person will do and go beyond to get information for any case you bring to his business. THIS COMPANY IS PROFESSIONAL... I had them take on a case a few years ago andd in…"

      YP
      29 Years
      in Business

      89. Silicon Valley Security Patrol

      Silicon Valley Security Patrol
      408-978-2198Call NowVisit Website
      Directions
      Private Investigators & DetectivesSecurity Guard & Patrol ServiceSecurity Equipment & Systems Consultants

      1131 Luchessi Dr Ste 2, San Jose, CA 95118

      OPEN 24 HOURS

      From Business: Silicon Valley Security and Patrol offers its clients security management, patrol service and alarm response. The company provides these services in the form of uniformed and…

      90. ADS Security

      ADS Security
      800-794-1550Call NowVisit Website
      Directions
      Private Investigators & DetectivesSecurity Guard & Patrol Service

      31790 Hayman St, Hayward, CA 94544

      CLOSED NOW:9:00 am - 5:00 pm

      From Business: American Discount Security offers on-site security officers and patrol services for gated communities, industrial buildings, shopping centers and apartments. Its officers are…

      We found 106 results for Private Investigators Detectives in or near Los Altos, CA.They also appear in other related business categories including Security Guard & Patrol Service, Security Control Systems & Monitoring, and Security Equipment & Systems Consultants. 11 of the rated businesses have 4+ star ratings.


      The businesses listed also serve surrounding cities and neighborhoods including Central San Jose, Downtown San Jose, and Cambrian. These businesses offer their services in one-or-more of the following languages: and Spanish.