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      Private Investigators & Detectives in Locust Valley, NY

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      1. Interstate Security & Investigations Inc.

      Interstate Security & Investigations Inc.
      516-338-2840Call Now
      Directions
      5.0
      5.0
      Private Investigators & DetectivesSecurity Guard SchoolsSecurity Guard & Patrol Service

      313 Post Ave, Westbury, NY 11590

      OPEN NOW:9:00 am - 7:00 pm

      "I recently hired this company for a New Years Eve event. Every year this event would eventually spiral out of control.The police would eventually always respond. Interstate…"

      YP
      25 Years
      in Business

      2. Global Security Protection

      Global Security Protection
      516-366-1659Call Now
      Directions
      Private Investigators & DetectivesSecurity Guard & Patrol ServiceSecurity Control Systems & Monitoring

      626 Rxr Plz, Uniondale, NY 11556

      OPEN 24 HOURS

      From Business: Global Security Protection specializes in providing security guards & patrol services for various clients located throughout the Uniondale area. Our experienced guards are…

      YP
      24 Years
      in Business

      3. Global Investigative Services, Inc

      Global Investigative Services, Inc
      866-342-5745Call NowVisit Website
      Directions
      Private Investigators & DetectivesProcess Servers

      998 Old Country Rd, Plainview, NY 11803

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

      From Business: Professional, Effective, DiscreetInvestigative/Legal-Support Service

      4. TLO Group

      TLO Group
      516-993-3454Call NowVisit Website
      Directions
      Private Investigators & Detectives

      140 Brompton Rd, Garden City, NY 11530

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

      From Business: The TLO Group is a leading private investigator and security firm based in New York. With a proven track record of providing exceptional investigative and security services to…

      5. Superior Investigations Services

      Superior Investigations Services
      516-732-1095Call Now
      Directions
      Private Investigators & Detectives

      Po Box 3310, Farmingdale, NY 11735

      From Business: Superior Investigation Service, (SIS), is dedicated to providing innovated, quality, cost effective investigative and security solutions. Our experienced personnel are…

      6. Spring Action Fraud Elimination

      Spring Action Fraud Elimination
      516-944-8024Call Now
      Directions
      Private Investigators & DetectivesProfessional OrganizationsCredit Investigators

      1051 Port Washington Blvd Unit 750, Port Washington, NY 11050

      OPEN NOW:8:30 am - 6:30 pm
      YP
      29 Years
      in Business

      7. New York Gold Shield Inc

      New York Gold Shield Inc
      516-240-8090Call NowVisit Website
      Directions
      Private Investigators & DetectivesSecurity Guard & Patrol Service

      1225 Franklin Ave Ste 325, Garden City, NY 11530

      CLOSED NOW:8:00 am - 5:30 pm
      YP
      19 Years
      in Business

      9. Investigation Services

      Investigation Services
      516-801-3105Call Now
      Directions
      Private Investigators & Detectives

      6 Hill Ln, Glen Head, NY 11545

      OPEN NOW:6:00 am - 10:00 pm

      11. EJB Security Consulting, Inc.

      EJB Security Consulting, Inc.
      516-767-1249Call NowVisit Website
      Directions
      Private Investigators & Detectives

      38 Sintsink Dr E, Port Washington, NY 11050

      CLOSED NOW:8:00 am - 5:00 pm

      15. Ngh Associates

      Ngh Associates
      516-621-7232Call Now
      Directions
      Private Investigators & Detectives

      30 Jericho Executive Plz Ste 300E, Jericho, NY 11753

      19. Dorilio Joseph Assoc Inc

      Dorilio Joseph Assoc Inc
      516-877-1340Call Now
      Directions
      Private Investigators & Detectives

      77 Hillside Ave, Williston Park, NY 11596

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

      20. Global Global

      Global Global
      516-597-5716Call Now
      Directions
      Private Investigators & Detectives

      140 Dupont St, Plainview, NY 11803

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

      22. Probe Services

      Probe Services
      516-833-7939Call Now
      Directions
      Private Investigators & Detectives

      105 Hillside Ave Ste H, Williston Park, NY 11596

      25. New York Security Patrol

      New York Security Patrol
      516-576-0222Call Now
      Directions
      Private Investigators & Detectives

      255 Executive Dr, Plainview, NY 11803

      YP
      32 Years
      in Business

      We found 329 results for Private Investigators Detectives in or near Locust Valley, NY.They also appear in other related business categories including Security Guard & Patrol Service, Process Servers, and Security Equipment & Systems Consultants. 10 of the rated businesses have 4+ star ratings.


      The businesses listed also serve surrounding cities and neighborhoods including Southeastern Queens, Northeastern Queens, and Floral Park. These businesses offer their services in one-or-more of the following languages: and Spanish.