About Us
Security Instrument is Delaware’s largest full-service independently-owned security firm with over 75 employees serving thousands of customers throughout Delaware, Pennsylvania, New Jersey and Maryland.
Locations
Wilmington, DE
309 West Newport Pike
Wilmington, DE 19804
(302) 633-5621
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Milton, DE
28340 Lewes Georgetown Hwy.
Milton, DE 19968
(302) 645-2212
Company News
- Access Control Entry in a Trusting Employer EnvironmentJanuary 29, 2024 - 12:46 pm
- 3 Home Security Tips for the HolidaysDecember 20, 2023 - 1:00 pm
- Fire and Life Safety Solutions for ChurchesDecember 1, 2023 - 12:14 pm