SENTRYSIX Defense Group, Inc is a professional security, defense, intelligence, consulting and training support firm in San Antonio, Texas.
Our company, which is owned and operated by U.S. military veterans and law enforcement officers, is ranked as the #1 security guard company in San Antonio, Texas because we offer the best quality security services.
We also provide comprehensive risk management services in Austin, Dallas and Houston.
Call us at (833) 736-8796 for a FREE consultation!