Holtec Security International (HSI) is a wholly-owned subsidiary of Holtec International headquartered at the Krishna P. Singh Technology Campus in Camden, New Jersey. HSI is a leader in security solutions specializing in community safety, critical infrastructure, industrial, corporate and cyber security.   

HSI provides proven advanced solutions for the protection and security of communities at-large and nuclear facilities, industrial installations, manufacturing plants, commercial properties, government entities and technology centers.

One Holtec Blvd.
Camden, NJ 08104


Current Projects and Clients

At Oyster Creek, Pilgrim and Indian Point decommissioning sites, HSI provides access control and armed response protection to secure the buildings, structures and materials against sabotage, theft, diversion and other malicious acts in compliance with 10 CFR 73.55.


J. Scott Thomson

Senior Vice President and Governance Officer, Holtec International
President of Holtec Security International (HSI)

J. Scott Thomson is the President of Holtec Security International. In this role, Mr. Thomson leads all aspects of HSI’s programs, including Holtec’s acquired shutdown nuclear plants. Mr. Thomson is also Holtec’s Chief Governance Officer and the Corporate Vice President.