Captain Danny Walker is the Founder and Owner of DGW Holdings, LLC. In 1999 he opened with 3D Enterprises. Since that time Captain Walker has developed several divisions of the company. He is the Owner/Operator and Chief Firearms Instructor of the East Texas Tactical Firearms Training School, 3D Enterprises, Southeast Texas Training Institute. He is certified by DPS and the State of Texas as a licensed instructor for Private Security Level II,III and IV. He has been in the Law Enforcement profession since 1993. He holds a Master Peace Officer’s Certificate, TCOLE Firearms Certification as well as an Advanced Instructor’s License and Texas CHL/LTC Instructors Certificate. He has taught numerous firearms courses in his career, including basic, intermediate, and advanced handgun, AR-15 type rifle shooting, patrol rifle, and shotgun courses and is an armorer for both Glock and AR-15 weapon systems. Captain Walker has been a SWAT Officer for 12 years, 10 of which were spent as the team’s Sniper and Assistant Commander.


  • Master Peace Officer
  • Master Corrections Officer
  • Advanced TCOLE Instructor
  • TCOLE Firearms Instructor
  • Defense Tactics Instructor
  • Taser Instructor
  • ALERRT Instructor
  • Glock Armorer
  • AR-15 Armorer
  • Texas LTC License Holder
  • Texas LTC Firearms Instructor
  • Texas LTC Online Provider Instructor
  • Private Security Guard Instructor - Classroom
  • Private Security Guard Firearms Instructor
  • Life Member NRA
  • I am certified under Texas GC 411.188 and GC 411.190 to administer the LTC Online Course. 

  • Texas Private Security Training School License Number F03016601

  • Texas Private Seurity Firearms Instructor License Number 27107503

Important Information site is not a government agency nor are we affiliated with any government agency or entity. is a training resource for consumers who want to educate themselves as a professional security guard and achieve their  PRIVATE SECURITY GUARD LICENSE. We are not affiliated or associated in any way with the State of Texas nor do we guarantee or infer in any way that you will qualify for a Private Security Guard License. The certification you receive from is not a license or permit to carry a handgun or act as a Peace Officer. To secure this license, it is your sole responsibility to apply to the State of Texas and submit any and all paperwork required along with any fees. It is your responsibility to research and understand your local laws as it relates to Private Security Guard License. If you are interested in applying for this class, you should verify that your criminal background is free of convictions that are felonies, convictions that are Class A and Class B Misdemeanors in the last five years. is an aprroved Online Provider for the TEXAS PRIVATE SECURITY GUARD LICENSE with the State of Texas through the Texas Department of Public Safety RSD. Texas License F03016601