Chicago (South)


Interesting facts about Chicago, Illinois (Chicagoland)

Chicago-sealChicago, Illinois is the third most populous city in the U.S. boasting a massive population of 2,716,450. The metropolitan area is often referred to as “Chicagoland”, and has approximately 10 million people in it. It is located alongside Lake Michigan, and the city was incorporated in 1837. It’s an international hub for finance, commerce, industry, technology and telecommunications. The city has many nicknames such as the Windy City, Chi-Town, Second City and the City of big Shoulders, referring to its numerous towers and skyscrapers.


As a commercial integrator, Security 101® is able to deliver best-in-class design, installation and service by utilizing our unique and proven business approach within the security industry.

This nationwide model allows us to set standards across our network and provide our clients the consistency, accountability and satisfaction they deserve.