Who is meridmeridian group international? Meridian Group International is a privately held organization headquartered in Deerfield, IL. Operating since 1979, Meridian is a leading equipment leasing and finance company and IT service provider across 4 continents.How do i contact meridian for care? For EMERGENCY, urgent need for care or concerns about the care of an existing Meridian patient (e.g. a medication issue), please contact us by phone at the above numbers or in person at one of our offices. For all non-emergency requests, feel free to call, visit one of our offices or complete the form below.How much is the meridian group worth? TWO DECADES. $5.5+ Billion in Value. This is The Meridian Group - a best-in-class real estate investor, developer and owner of Washington metro area real estate for over 25 years. FOCUSED APPROACH. Unparalleled Perspective.How does meridmeridian use media? Meridian programs, activities and events are featured regularly in print and broadcast media. In addition, Meridian amplifies its work through all social media platforms, and its online video platform, Meridian TV, as well as its podcast series, LIVE@Meridian.