GLEN CARBON – Glen Carbon may soon be the new home of a corporate headquarters in Meridian Plaza, though few details have been made public.A site plan for a three-story office building on Lot 6 of Meridian Plaza and a related amendment to the Meridian Plaza Planned Development Procedure (PDP) were both approved at the June 28, 2026 Glen Carbon Village Board meeting.Community Development Director Erika Heil said the new office building will be built on the corner of Illinois Route 157 and M...