Security Instrument is Delaware's largest full-service independently-owned security company, serving thousands of customers throughout Delaware, MD, NJ, and PA. With over 60 years of experience in the commercial security and life safety environment, they offer a wide selection of products from trusted manufacturers in the industry, providing personalized support services to safeguard people and property.
Security Instrument's dedicated customer service team delivers reliable, friendly, and professional service and support. Combined with their state-of-the-art, local UL listed central monitoring center, customers can trust that they are always available when needed. They integrate hundreds of products from strategic partners and have a strong reputation for their expertise in providing security solutions for various industries, including small businesses, commercial enterprises, government institutions, and critical infrastructure.
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