Holtec Security International (HSI) is a subsidiary of Holtec International, headquartered at the Krishna P. Singh Technology Campus in Camden, New Jersey.

HSI is a full service security firm providing elite specialized services to its clients. Our highly trained and experienced team includes former military, former law enforcement and a diverse multitude of other certified security experts.

We develop innovative strategies and take proactive measures to ensure the safety and security of our clients and their assets. Our holistic approach to assessing and testing defense strategies delivers outstanding results without compromising safety or security.