Security Instrument Corp
Previous Next Next Next1234 Serving DE, MD, NJ PA Security Instrument is Delaware’s largest full-service independently-owned security company, serving thousands of customers throughout Delaware, MD, NJ PA. SI takes great pride in over 60 years of excellent service. When you need us, we are there, with 24 / 7 alarm monitoring and centralized local service for homes and businesses.
Basic Information
- Category: Security Integration
- Founded: 1960
- Headquarters: Los Angeles, CA
- Website: securityinstrument.com
Documented Facts
- Phone: (800) 244-2261
- Team Size: 75
Evidence and Sources
- Security Instrument Corp — Official Site (official)
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- Last verified: 2025-10-28T02:14:01.388Z
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