Guardian Security Training
  • @guardian_securit
  • SECURITY, INVESTIGATIONS, TRAINING & MORE
  • 940 Grand Blvd Unit A, Deer Park, NY 11729

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.

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