TK Firearms & Security Training  Consulting LLC has over 10 years of firearms, private investigation, and security experience. TK Firearms & Security Training  Consulting LLC works with licensed security agencies, investigation agencies, and FFL dealers in the Lake County area. Individual consulting is also offered in regards to firearm training and courses.

Terreance Holley 

Owner/Firearms Instructor ​​

  • Illinois State Firearm Instructor (IDFPR)
  • Illinois State CCW Instructor
  • Utah State CCW Instructor
  • Wisconsin State CCW Instructor 
  • NRA Law Enforcement Firearms Instructor  
  • NRA Certified  Firearms Instructor 
  • NRA Personal Protection in the Home
  • NRA Personal Protection Outside the Home
  • CPR/ Certified
  • Private Investigator​
  • Range Safety Officer
  • Security Consultant  




"Education Is The Most Powerful Weapon."

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