D&D Ultimate Connection LLC


Who We Are

D&D Ultimate Connection Llc, provides Procurement, Telecommunications, and Physical Security services to Public and Private entities throughout the New York tristate area and beyond. As a Minority-Owned Small Business with MBE, DBE, & 8(a) Certifications, D&D Ultimate Connection LLC is a one stop vendor for all of your Networking Equipment, Physical Security, and Voices & Data installation needs. We not only procure, but will install all of your Security and Networking Equipment.

Our organization specializes in CCTV, Access Control and Intercom Installations. We offer professional installation services and repairs of new and used CCTV and Access Control systems complete with network connectivity for smartphone and/or central location remote viewing and accessing.


Our Services


Access Control System Design and Installtion.


Installation, Maintenance and Inspection, and Repair.


CCTV System Design and Installation.


Installation, Design, Control Panel, Detector, and Testing.


Video event coverage, from filming to editing.

Be safe, secure, and at ease.

UpGrade Security Solutions | D&D Ultimate Connection

Why Work With Us

Upgrade Security Solutions Team

Years of experience

Hands-on experience working with companies like Neteam Solutions LLC, Able Interconnect Corp, & Verigent.

Certifications from EPI-EXIN, Brivo Access Control, Electrical Training Centre, & BICSI.

Staying on top of the latest technolgy trends so you know you have the best-in-class system installed in your facility.

CCTV Hardware Upgrade Security Solutions

Modern equipment

The latest in security techology and the knowhow to use it.

We work with the highest quality brands in the industry including Brivo On-Air, Hikvision  Avaya, ZK Access Control, Honeywell, Aiphone, Comelit & ABB intercom.

Upgrade Security Solutions CCTV-Installation

Professional Team

Extensive experience in security installation.

We strongly believe that the only way to fully understand a project is to arrange for one of our experienced surveyors to visit your site so that all aspects of the project can be taken into consideration.UpGrade Security Solutions is a design, installation and aftercare company. From concept to completion, we are experts in scheduling, resource planning, forecasting, costing, and documenting.

Our reputation is the proof!

Let us prove it to you.

Donnell Slay

Our CEO and President

Donnell J. Slay is an expert in security installation and monitoring programs of all kinds. He is an opinion-leader when it comes to CCTV, intercom, access control and mechanical and magnetic door lock technology.

Mr. Slay has numerous accreditations and countless security installation projects currently active across the New York metropolitan area.

Andrew Umades

Licensed Electrician

Brandon Lue-Hing

Audio & Video Specialist

Jawad Khalfan, MBA

Burglar Alarm Specialist