National Security
Manta has 1 businesses under National Security in Deer Park, NY
Featured Company Listings
940 Grand Blvd Unit A, Deer Park, NY 11729
Deer Park, NY
(631) 351-6473
CLAIMED
Categorized under Army
Guardian Security Investigation & Training, previously named Guardian Investigations, centrally located on Long Island in Deer Park, NY, was formed in 2007 by Matthew Seifer, a Licensed Private Investigator, Registered Armed Guard, and Division of Criminal Justice Services (DCJS) Certified Instructor.
For More Information: https://gstny.com/
All Company Listings
940 Grand Blvd Unit A, Deer Park, NY 11729
Deer Park, NY
(631) 351-6473
CLAIMED
Categorized under Army
Guardian Security Investigation & Training, previously named Guardian Investigations, centrally located on Long Island in Deer Park, NY, was formed in 2007 by Matthew Seifer, a Licensed Private Investigator, Registered Armed Guard, and Division of Criminal Justice Services (DCJS) Certified Instructor.
For More Information: https://gstny.com/
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