Gilbert Cantu, owner, is licensed in Texas, is a member of BBB, TLA and SAVTA, and is a Certified Registered Locksmith and a Certified Professional Safe Technician.



Your San Antonio locksmith committed to providing the highest quality service and dedicated to your satisfaction


Gilbert Cantu, owner of Quality Security Products, has over 25 years of experience in the Professional Locksmith business.  He and his handpicked safe locksmith and vault service technicians hold the skills, expertise and experience to guarantee 100% satisfaction with your safe or vault repair and service. 

Quality Security is a professional locksmith company with a vision to provide a high-level of customer satisfaction with unmatched work ethic and cutting edge technology. Quality Security technicians are highly trained in working with state-of-the-art equipment in the professional locksmith trade. Value and satisfaction are the primary influences of Gilbert Cantu and his skilled technicians. Quality Security pledges to be the professional locksmith with the highest standard of customer service, professional work and, of course, quality service!





  • 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