McLennan Company was established in 1912, started as a contracting business, and throughout the 1920’s and 1930’s constructed over 5,000 homes. Today the company provides a variety of services to clients throughout Northwest Chicagoland, the greater O’Hare region, and Northern Illinois. They provide brokerage, sales and leasing, building management and investment services to multiple ownership groups. They oversee over 500 residential and commercial tenants, and manage more than 780,000 square feet of property, collecting close to $15 million from these properties each year. They have a network of trusted clients, skilled vendors and desirable business partnerships that make each project, account, or property valuable in its own way.