Concordis Group, Inc. operates as a commercial and residential development and construction company. The company is headquartered in Wylie, Texas. The company went IPO on 2002-01-28. The firm specializes in design, architectural and engineering services, commercial construction of hospitality, healthcare, retail, schools and office buildings, single and multi-family residential construction , and site analysis and budget consulting. The firm has one subsidiary, GC Blackstone, Inc. The main business of GC Blackstone, Inc. is land development and construction of buildings related to hospitality, healthcare, retail, schools, and office buildings.