Diaz Group, LLC is a family-owned, full-service, MBE-certified exterior facilities maintenance company with two main branches in the Chicagoland area and satellite offices throughout the Midwest. As a company, we pride ourselves on providing the firepower for any size portfolio or emergency, coupled with high-touch customer service, all aimed at making our clients look good. The following lists show the states we service as well as the services we offer. Our team appreciates your time and interest in working with us.