Graybar Electric Supply, 1811 High Grove Ln, Naperville, IL 60540, US

Founded in 1980, First Security Systems is a full-service company that provides technological and infrastructure solutions to clients throughout the Greater Chicago area and northern Illinois. It specializes in the design and installation of electronic systems for a range of applications. The company operates through various divisions, including health care communications, fire detection and security. Its health care communications division offers services to hospitals and nursing care facilities. The company provides technology solutions in the areas of life safety, security, operations and cost containment. It works with various architects, engineers, owners, contractors and regulatory authorities. First Security Systems is located in Naperville, Ill.

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