Gemellaro Systems Integration (GSI)

About Us

Our Vision

We think beyond the boundaries of a single contract.

This big-picture perspective allows us to more accurately define and budget for even the most complex needs, reduce change orders, and deliver proactive recommendations at every step.

We work to form lasting relationships with our clients, and develop comprehensive programs that maintain their technology investments, prevent failures, and minimize future costs on an ongoing basis.

Our History

1990

G&S Communications Services is established as a division of G&S Electric

1992

G&S adds a Security Division and begins installing CCTV, Access Control and Alarm systems

1993

G&S Communications Services becomes a BICSI (Building Industry Consulting Service International) member

1993

G&S Communications Services strengthens its staff with the addition of an RCDD (Registered Communications Distribution Designer) accredited Project Manager/Designer

1994

G&S Communication Services is rebranded as G&S Integration (G&SI)

1994

G&SI is awarded a Tier One supplier position and the Global Enterprise Network Integrator (GENI) blanket which it still holds to this day

1998

G&SI Security designer attains the Certified Protection Professional (CPP) designation from ASIS (American Society for Industrial Security)

1999

G&SI completes first Command Center

2001

G&SI adds Perimeter Protection services with Intercom, Turnstiles and Gates

2004

G&SI managers buy the division from G&S Electric and reincorporate it as GSI

2006

GSI develops an International Security Audit program, maintaining and servicing facilities world-wide

2009

GSI divests their Electrical division to focus on Security and Telecom services

2009

GSI ranked 81st in Security Dealer Magazine's annual Top 100 Systems Integrator report

2010

GSI adds Managed Services to its portfolio of offerings

2010

GSI ranked 75th in Security Dealer Magazine's annual Top Systems Integrator report

2011

GSI ranked 78th in Security Dealer Magazine's annual Top Systems Integrator report

2011

GSI adds IP Video Surveillance solution to its portfolio of services

2012

GSI ranked 62nd in Security Dealer Magazine's annual Top Systems Integrator report

2013

GSI ranked 54th in Security Dealer Magazine's annual Top Systems Integrator report

2013

GSI begins designs and installations in Europe

2014

GSI celebrates 10th year anniversary

2014

GSI ranked 41st in Security Dealer Magazine's annual Top Systems Integrator report

2015

GSI reaches 75 employees

2015

GSI ranked 40th in Security Dealer Magazine's annual Top Systems Integrator report

2016

GSI opens branch in Dearborn, Michigan

2016

GSI becomes an international company with the opening of Gemsys Mexico

2016

GSI ranked 26th in Security Dealer Magazine's annual Top Systems Integrator report

2017

GSI ranked 23rd in Security Dealer Magazine's annual Top Systems Integrator report

2018

GSI ranked 19th in Security Dealer Magazine's annual Top Systems Integrator report

2019

GSI acquires Wiltec Technologies and launches Ann Arbor branch

2019

GSI celebrates 15th year anniversary

2019

GSI ranked 14th in Security Dealer Magazine's annual Top Systems Integrator report

2019

GSI reaches 100 employees

2020

GSI ranked 16th in Security Dealer Magazine's annual Top Systems Integrator report

2021

GSI’s service fleet expands to 65 vehicles

2021

GSI ranked 13th in Security Dealer Magazine's annual Top Systems Integrator report

2021

GSI reaches 150 employees

2022

GSI ranked 17th in Security Dealer Magazine's annual Top Systems Integrator report

2022

GSI is awarded Top Workplaces 2022 by Detroit Free Press

2023

GSI is awarded Top Workplaces 2023 by Detroit Free Press

Proven Leaders

gsi ranks yearly on sdm top system integrators report

We are proud of our history and rankings in the SDM Top System Integrators report. This designation continues to drive our dedication to our clients and fuels our reputation as a top system integrator.  

Top Workplace

gsi awardedtop workplaces 2022 by detroit free press

We are committed to providing the best working environment for our people. GSI is proud of the work we have accomplished to date and is excited about building the future with our team. 

Safety Driven

everyone goes home safe

Safety culture is built and maintained within; we promote an open and active safety program where employees are encouraged to speak up and speak out. Safety is embedded in our culture and extends from our offices to your job site. 

Community Contact

it's good to give back

GSI believes in giving back by connecting with local charities and doing what we can to help those in need in our community.

FULL NAME

POSITION AND TITLE

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