“Over the years I have relied on Quality Security Products to help me secure my business and inventory. When my safe doesn’t open, Gilbert understands that I am unable to function and he has always responded promptly. I don’t trust anyone else to work on my safes or locks, neither should you.”

— David Putnam; Retired SAPD Detective, Owner Alamo City
Gold and Silver

“Quality Security Products was very quick to answer my call when my keys were stolen, their service was phenomenal.”

— Rene E., Action Pawn

“Quality Security Products has been one of the best companies I have worked with in all my years working as a Facilities Manager, their service and professionalism is unmatched.”

— Patricia Perkins,
Facilities Manager SW Region

“I have used Gilbert Cantu for over twenty years for all my safe and locksmith needs.  His professionalism and knowledge of safes and locks are second to none.  I only recommend Quality Security Products!”  

— Sohail Mohamed, Owner
Luna Car Center & Casa de Oro Jewelers 


(210) 320-1979




  • Austin
  • San Marcos
  • New Braunfels
  • San Antonio
  • Three Rivers
  • Stockdale
  • Boerne
  • Kerrville
  • Pleasanton
  • And other areas within 200 mile radius of San Antonio


(210) 247-9490


P.O. BOX 18146
San Antonio, Texas 78218

  • Safe and Vault service
  • Change Combinations
  • Lost Combinations
  • Safes and Vaults drilled and repaired
  • Burglary Repair
  • Safes Moved and Installed
  • Safe Locks Installed (mechanical and digital)
  • Safe Deposit Service (we specialize in obsolete, antique locks)
  • Vault Time Locks Service and Repair
  • ADA Compliance (Americans with Disabilities Act)
  • Panic Devices (fire and life safety code compliance)
  • Door Closers
  • Flush Bolts
  • Store Front Door Locks
  • High Security Locks (key control, pick and bump resistant locks)
  • Card Readers
  • Digital Access Control Locks (Trilogy, Schlage CO 100, Kaba)
  • Magnetic Locks
  • Electric Strikes