GMCS on Facebook

1 month ago

Parking management is a valuable service that GMCS provides to many of our clients beyond our traditional security services. A safe, organized and quick parking experience is a great way for you to start your event off on the right foot in the eyes of your patrons. We provide parking to events of all sizes including arena shows, small college commencements, athletic events with tailgating, and large scale multi-day events. ... See MoreSee Less

2 months ago

You get to work in some pretty special places with GMCS. ... See MoreSee Less

3 months ago

Happy Independence Day from all of us at GMCS and a big shout out to all GMCS Team Members working parades, fairs, parties, and concerts on this gorgeous 4th of July. ... See MoreSee Less

4 months ago

Warm weather means one thing at GMCS... music festival season! Did you know that GMCS provides security services to dozens of music festivals annually?

We can be found on site at a range of festivals, from small local festivals to large scale internationally recognized festivals. With over 23 years of experience providing music festival security it's hard to find a team more knowledgeable and prepared for the dynamic situations that arise on festival grounds.
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4 months ago

A Comcast outage has disabled GMCS office phones ability to send or receive calls until sometime around midnight tonight.

For immediate answers:

Clients - email
Staff - email

We apologize for any inconvenience this may cause.
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Security & Crowd Management SpecialistsTM!

For nearly two decades we have specialized in providing unarmed, physical security solutions to high-profile special events, venues, and educational institutions. GMCS has a successful reputation for helping clients create an exceptional experience for their guests, and for providing added value to event management. We believe that our training and our ongoing coaching and supervision are the most important ingredients to why GMCS provides the best service in the industry. GMCS provides safety and security solutions for more than a thousand events annually and is setting the standard for quality security professionals.

Upcoming Events

GMCS Subsidiaries:


The Northeast Safety & Security Training Academy (NESSTA) is the leading resource for safety and security training. Founded in 2012, NESSTA’s goal is to help individuals and corporations find quality safety and security training solutions.

Green Mountain Flagging

Since 2004, Green Mountain Flagging, LLC (GMF) has been providing total traffic control management solutions. Our services include, but are not limited to: trained and certified flagging crews; equipment rentals; traffic control plan writing; work zone safety consulting; and training.

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