About Us

About Main Group USA Inc.

Who we are?



Since 1992, Main Group USA Inc.is a diversified organization that comprises businesses of IT wholesales, Retail Stores and Surveillance Projects located in Brooklyn New York, USA. Starting out as a neighborhood-friendly retail store of IT products, Main Group USA Inc. Group USA has grown into a multi-national, extensive and dynamic incorporation.



Our dedicated staff, team collaboration and professional services are proved to be the key to the satisfaction our clients and our great success in the competitive of market. Our division and professional services include: Wholesales and Retail of all IT-related products, and CCTV (Surveillance) projects. With professional hard work of over 20 years, we are still keeping our fast paces to the expertise in our business. The biggest satisfaction of our clients will always be our ultimate goal.

What we do?


We are a full-service contractor providing quality service to residential, industrial, and commercial clients in New York. Our licensed technicians are dedicated to working with you to implement a solution that meets your needs. We are fully licensed and insured (License No. 12000293960).



Our services include:
Surveillance & Alarm Systems Installation
Hotel & Office Phone system installation
Audio & Video Intercom installation
Door Access control installation
Networking design setup & Cabling installation
Audio & Visual installation
Point of Sale installation
Karaoke entertainment installation
Credit card Merchant service
Computer and Server maintain & installation
Laptop repair & Data recovery service (Available in our retail store)

We provide FREE ESTIMATES in Tri-Borough area...just give us a call