Port Security

TWIC Registered Agency

Port Security requires unescorted access to secure areas of port facilities and vessels regulated under the Maritime Transportation Security Act of 2002. Granite Security provides Maritime Transport Security and holds the Transportation Worker Identification Credential, also known as TWIC. 


TWIC security TWIC security



Connect with a security specialist for additional information or to schedule a consultation.

Call us at 603-397-7542 or complete the form below.



Veteran Owned. Veteran Operated.

Licensed, insured and bonded. All of our Agents are certified armed guards and follow the rules and regulations of use of force under NH RSA 627:4, NH RSA 106-F:8-c

Contact Us
Granite Security Service, LLC
2 1/2 Beacon St. Suite 280
Concord, NH 03301
90 Canal St. 4th Floor
Boston, MA 02114

Granite Security Service, Security, Concord, NH

We accept all major credit cards