GMCS on Facebook

3 weeks ago

Here at GMCS we are taking a moment to recognize World Autism Awareness Day with the Green Mountain Autism Foundation. #LightItUpBlue #AutismSpeaks ... See MoreSee Less

Are you wearing your BLUE today?! #LightItUpBlue

4 weeks ago

GMCS New York staff refreshing their CPR and First Aid training on infant sized subjects.

At GMCS we pride ourselves on having the highest trained, most knowledgeable, and all around best event security guards in the business. Ongoing training and professional development programs are how we are able to invest in our team while they grow and progress within the company.

đź“·PC: Ellen Trowbridge
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2 months ago

GMCS is on-site at the NACA National Conference in Boston connecting with campus event professionals and student organizers from across the country.

GMCS is the only security provider NACA member, meaning we are uniquely qualified to handle any and all campus event security needs. GMCS works with over two dozen colleges and universities staffing events of all sizes.

Stop by and see us at booth 609 to see how GMCS can help you maximize your campus event safety!

#NACA18 #NationalAssociationofCampusActivites
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3 months ago

Did you know that GMCS provides daily ski mountain parking services, access road traffic control, and ski lodge security to a number of ski mountains across the Northeast?

Beyond these daily operations we are also involved with providing event security to après-ski activities, on mountain musical performances, and race day special operations.

GMCS has more experience with the nuances of ski mountain and resort operations than any other security company in the industry.
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4 months ago

Happy New Year from all of us at GMCS; and a big shout out to all of the GMCS staff working events across the Northeast tonight! ... See MoreSee Less

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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