Why NSI ?
 

  2 Convenient Locations
  Professional Staff
  Licensed by New York State
  Successful Track Record
  24 Hour Service
  Completely Confidential

 

 Put Us to Work for YOU!

Two Locations


 Long Island

Nassau
114 Old Country Road
Suite #620
Mineola, NY 11501

Suffolk
320 Carleton Aveue
Suite #1000
Central Islip, NY 11722

Licensed by the NYS Department of State


At N.S.I. our staff  consists of experienced investigators who have had the training to bring our cases to successful conclusions.

For 24 Hour Service Please Call:

866-638-9719

.