516.338.2840
Interstate Security - Long Island's Top security training school, Security guard company and private investigation firm.
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In todays difficult economic environment, the need for  a skilled and professionally trained security guard is more vital than ever. At Interstate Security & Investigations, we are dedicated to provide top notch security guards, security guard training and private investigations at an affordable cost. Our executive staff has over two decades of law enforcement experience. Contact us today to find out more about our services!

Interstate Security and Investigations Incorporated BBB Business Review
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2016 Winner Best Security & Private Investigation Company
​           Now offering CPR & First Aid Classes
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