Providing trusted security & locksmithing services for your home.
Offering the latest security technology for your business.
Control your system from your smart phone or tablet.
The sound system that fits in, beautifully.
TSI Security provides a full range of the latest high technology security equipment to protect your business from unauthorized entry or theft.
Let us show you how TSI Security has been keeping residents around the greater Baltimore area secure for over 30 years.
Serving the business security, residential and home security and commercial security market in Maryland, Northen Virginia and Washington DC area.