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Map of Locust Valley, NYMap of Locust Valley, NY

Private Investigators & Detectives in Locust Valley, NY

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1. Interstate Security & Investigations Inc.

Interstate Security & Investigations Inc.

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…"

24 Years
in Business

2. Infinity Investigations LLC

Infinity Investigations LLC

309 Westbury Ave, Carle Place, NY, 11514

10 Years
in Business

5. North American Investigations

North American Investigations

199 Willis Ave, Mineola, NY, 11501

OPEN NOW:8:00 am - 11:00 pm

"These private investigators were awesome and complete two background checks for me. Working with North American Investigations was one of the best decisions I've ever made."

6. Global Security Protection

Global Security Protection

626 Rxr Plz, Uniondale, NY, 11556


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

23 Years
in Business

7. Global Investigative Services, Inc

Global Investigative Services, Inc

998 Old Country Rd, Plainview, NY, 11803

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

8. TLO Group

TLO Group

140 Brompton Rd, Garden City, NY, 11530

OPEN 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…

9. Spring Action Fraud Elimination

Spring Action Fraud Elimination

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

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

10. New York Gold Shield Inc

New York Gold Shield Inc

1225 Franklin Ave Ste 325, Garden City, NY, 11530

OPEN NOW:8:00 am - 5:30 pm
18 Years
in Business

13. EJB Security Consulting, Inc.

EJB Security Consulting, Inc.

38 Sintsink Dr E, Port Washington, NY, 11050

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

18. Ngh Associates

Ngh Associates

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

21. Vanson Investigations

Vanson Investigations

54 Sunnyside Blvd, Plainview, NY, 11803


24. Probe Services

Probe Services

105 Hillside Ave Ste H, Williston Park, NY, 11596

25. R M Stark

R M Stark

550 W Old Country Rd, Hicksville, NY, 11801

27. New York Security Patrol

New York Security Patrol

255 Executive Dr, Plainview, NY, 11803

31 Years
in Business

28. Proof Private Investigations

Proof Private Investigations

206 Carle Rd, Carle place, NY, 11514

23 Years
in Business