
Granite State Gate Systems Inc.
294 Durham Rd. Dover, NH 03820 P: 603-343-5440 F: 603-743-4475 E: info@granitestategate.com
Founded by Gordon 'Gordy' Clark, Granite State Gate Systems Inc. was officially incorporated with GC AAA Fences, Inc. in 2011 to accommodate the growing need for sales and service of access control systems in the New England area.
We service most of Maine, Massachusetts and New Hampshire.
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Our certified technicians attend annual trainings on the latest in gate automation and access control. We are committed to continuing education so that we can serve our customers with the industry's latest innovations and safety standards.
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Already have a gate system? Granite State Gate Systems offers expert repair on most existing applications. We will work with you to make your existing system operable or recommend options for replacement if necessary.
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Qualifications & Certifications

Michael Carpenter HySecurity Training

Bryan Aube
Alibi Certified Professional



Bryan Aube
AFA Operator
Installer School
Bryan Aube
C.A.G.O.I. Certification
Bryan Aube
IDEA Certified Automated
Gate Systems Designer

Bryan Aube
HySecurity Product & Support Installation

Michel Jeanneau
Alibi Certified Professional

Bryan Aube
DoorKing Product
Workshop
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Michel Jeanneau
DoorKing Product
Workshop
​
Bryan Aube
PTI Self Storage
Access Control
& Security Systems


Michel Jeanneau
PTI Self Storage
Access Control
& Security Systems
Nate Porch
M30/M50
Certification
​

Bryan Aube
M30/M50
Certification
​

Michel Jeanneau
PDK Certification

Nate Porch
PDK Certification

Michel Jeanneau
DoorKing Product
Workshop
​

Nate Porch
Wallace Perimeter Security

Nate Porch
DoorKing Product Workshop
​

Michel Jeanneau
Wallace Perimeter Security

Bryan Aube
DoorKing Product
Workshop
​

Bryan Aube
Wallace Perimeter Security

Bryan Aube
PDK Certification

Bryan Aube
AFA CGAT