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      Map of Oyster Bay, NYMap of Oyster Bay, NYExpand Map

      Private Investigators & Detectives in Oyster Bay, NY

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      1. Associated Investigation LTD

      Associated Investigation LTD
      800-720-8955Call Now
      Private Investigators & DetectivesSkip TracingMissing Persons Bureaus

      Serving the Oyster Bay Area

      OPEN 24 HOURS

      From Business: We Are a Full-Service Professional Investigative Agency Experienced in Dealing with All Types of Investigations. Our Clients Include Individuals, Businesses, Insurance…

      2. Oklahoma Judicial Process Servers

      Oklahoma Judicial Process Servers
      405-593-3515Call Now
      5.0
      5.0
      Private Investigators & DetectivesLegal Document AssistanceLie Detection Service

      Serving the Oyster Bay Area

      OPEN 24 HOURS

      "Oklahoma Judicial Process Servers handled our case efficiently and professionally. I would definitely use them again."

      YP
      14 Years
      in Business

      3. Long Island Investigations Inc

      Long Island Investigations Inc
      516-795-3368Call Now
      Private Investigators & Detectives

      4940 Merrick Rd Ste 248, Massapequa Park, NY, 11762

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

      From Business: We provide private investigations for tje general public as well as large copanies, insurance companies and lawyers. We are NYPD Detectives

      YP
      19 Years
      in Business

      4. Global Investigative Services Inc

      Global Investigative Services Inc
      866-342-5745Call Now
      Private Investigators & DetectivesProcess Servers

      998 Old Country Rd, Plainview, NY, 11803

      CLOSED NOW

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

      YP
      23 Years
      in Business

      5. Marc David Investigations Inc

      Marc David Investigations Inc
      888-205-0101Call Now
      Private Investigators & Detectives

      233 Glengariff Rd, Massapequa Park, NY, 11762

      OPEN 24 HOURS

      From Business: Matrimonial Investigations Child Custody Investigations Criminal Investigations and Litigation Support Surveillance and Undercover Investigations

      YP
      19 Years
      in Business

      6. John J O'Grady Investigate

      John J O'Grady Investigate
      516-922-1911Call Now
      Private Investigators & Detectives

      67 Lancia Dr, East Norwich, NY, 11732

      YP
      18 Years
      in Business

      10. Investigation Services

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

      6 Hill Ln, Glen Head, NY, 11545

      YP
      18 Years
      in Business

      14. Richard A Guttler

      Richard A Guttler
      516-931-2433Call Now
      Private Investigators & Detectives

      42 Circle Dr, Syosset, NY, 11791

      YP
      29 Years
      in Business

      16. Vanson Investigations

      Vanson Investigations
      516-575-3977Call Now
      Private Investigators & Detectives

      54 Sunnyside Blvd, Plainview, NY, 11803

      OPEN 24 HOURS
      YP
      19 Years
      in Business

      17. New York Security Patrol

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

      255 Executive Dr, Plainview, NY, 11803

      YP
      31 Years
      in Business

      18. Ngh Associates

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

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

      YP
      25 Years
      in Business

      20. WMC Investigations Inc

      WMC Investigations Inc
      516-470-0023Call Now
      Private Investigators & Detectives

      183 Broadway, Hicksville, NY, 11801

      YP
      22 Years
      in Business

      21. Risk Investigations Inc

      Risk Investigations Inc
      516-827-1161Call Now
      Private Investigators & Detectives

      325 Duffy Ave, Hicksville, NY, 11801

      YP
      15 Years
      in Business

      23. Absolute Research Solutions

      Absolute Research Solutions
      516-932-0500Call Now
      Private Investigators & Detectives

      10 Genesee St, Hicksville, NY, 11801

      YP
      25 Years
      in Business

      24. R M Stark

      R M Stark
      866-767-8275Call Now
      Private Investigators & Detectives

      550 W Old Country Rd, Hicksville, NY, 11801

      25. Foremost Consultants Ltd

      Foremost Consultants Ltd
      516-333-1170Call Now
      Private Investigators & Detectives

      32 Bond St, Westbury, NY, 11590

      YP
      23 Years
      in Business

      27. Eye Search Investigative Services

      Eye Search Investigative Services
      516-997-4334Call Now
      Private Investigators & Detectives

      990 Westbury Rd Ste 102, Westbury, NY, 11590

      YP
      39 Years
      in Business

      28. Proof Private Investigations

      Proof Private Investigations
      516-206-0622Call Now
      Private Investigators & DetectivesSurveillance Equipment

      206 Carle Rd, Carle place, NY, 11514

      OPEN 24 HOURS
      YP
      23 Years
      in Business

      29. Proof Investigations & Security Specialists

      Proof Investigations & Security Specialists
      516-939-4421Call Now
      Private Investigators & Detectives

      206 Carle Rd, Carle Place, NY, 11514

      OPEN NOW:12:00 am - 11:59 pm

      30. EJB Security Consulting, Inc.

      EJB Security Consulting, Inc.
      516-767-1249Call Now
      Private Investigators & Detectives

      38 Sintsink Dr E, Port Washington, NY, 11050

      CLOSED NOW