We’re here to serve and protect you.

We have the perfect security devices to ensure proper safety in your home and/or business.

What we do

Always on your guard.

Protect what matters

When you choose SDI to protect your home, and business, you get the peice of mind and responsive service our customers have relied on for well over 20 years.


You can even remotely control the lights, heat or air conditioning at home or see your kids come through the door after school—all on your smart phone.


Advances in security technology can now alert you to everything from water detection, and unwanted intrusion, or a medical emergency.


Security Dynamics Inc. now offercs a full range of security, fire, water, home comfort and surveillance options that can be customized to your individual needs.

Reliable and trustworthy security

SDI has been providing reliable and trustworthy security solutions to homes and businesses in the Tri State Area for well over 20 years now. We pride ourselves on bringing the latest in security technolodies to our custome as it becomes available and proven effective. We treat your home as if it was our home. You can be assuered that each of our valueable staff members will provide courteous, professional service wheather in your home or on the phone. Your satisfaction is our top priority. And with SDI you can always reach the boss if you need to—John DiVeronica. Try that with those ‘other’ security guys!

Satisfied Clients
onging projects

Our trusted Manufacturers

SDI works with top manufacturers for the most advanced and reliable security equipment available.

hear from our clients

We don’t stop until you feel safe and secure.
Here’s what others like you are saying about us.

Let's talk!

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