Central Station Monitoring MDI Security PLLC. is a family-owned business that has been dedicated to protecting communities for over 15 Years and is committed to the highest level of customer service. About Company - Established in 2008. MDI Security, PLLC. is a Nationwide security provider and integrator. With offices in Illinois, Nevada, Colorado, Indiana, Wisconsin, Ohio & Utah, Missouri, Florida we are easily able to service our clients in 48 states with our national team. Click Here For More Info - https://www.mdiprotects.com/about Social Media Profile Links - https://www.instagram.com/mdi_security_llc/