Security USA Inc. | 1,185 followers on LinkedIn. Protecting Properties, People & Communities with Customized Security Since 2001. | Security USA®, Inc. is a leading provider of professional security services across New York, New Jersey, and Florida. Since 2001, we have delivered customized solutions for residential communities, commercial properties, cultural institutions, healthcare facilities, and more. Our licensed officers are supported by advanced technology, rigorous training, and 24/7 field supervision.