Guardian Security Services, Inc. has been protecting Chicagoland businesses since 1975. As a family-owned firm in Blue Island, we deliver "Best in Class Service" with expert security solutions tailored to each client.

We specialize in comprehensive home and commercial security solutions. Serving the Midwest region, they offer a range of services, including alarm systems, video surveillance, and 24/7 professional alarm monitoring. The company is fully licensed and insured, holding credentials such as State of Illinois licensing.

LawDog Security & Investigations Inc. offers a variety of safety and security services. Our highly trained staff with years of experience in critical incidents will provide a safe and secure environment.

Illinois Security Services, Inc. provides a complete line of security services specializing in: Guard service; Labor dispute protection; Site security; Personal protection ; Workman's compensation investigations; We use the latest in video technology to conduct quality surveillance and …

Build an exceptional security and customer service program while quickly responding to our customers needs. PARTNERSHIP. Build partnerships based on trust and excellent service. INDUSTRY. Be a leader and a trusted security partner.

American Security Services provides armed and unarmed security guard services in Chicago, Illinois and the surrounding areas. Since 1986, we have secured a variety of high-profile sites and clients, and look forward to doing the same for you!

Looking for industry-leading security systems and services, or a security job, in Chicago? Contact our local Allied Universal® office.

As a security company in Chicago, our security services are customized to reduce, manage and mitigate risks for every client and every situation. Our protective services are available on an as-needed incident basis or as a fully-dedicated staffing option on local or enterprise levels.

Securitas Security Services is a leading provider of security services in Chicago, Illinois. We offer a wide range of services, including: On-site security and guarding. Mobile guarding. Electronic Security. Remote Guarding. Fire and safety services. …

We service clients both large and small across the United States, providing security for sites from retail stores to sensitive government buildings. From Downers Grove to Evanston and Joliet to Gary, we are the #1 choice for businesses across Chicagoland.