Architectural Design Group serves as Agency Representative for the American Indian Cultural Center. ADG (Architectural Design Group) is an Oklahoma City-based firm founded in 1975 that provides quality program management, architectural, planning and interior design services. ADG provides a wide range of owner’s representative services including coordination and oversight of site clean-up activities, coordination of building and exhibit designs as well as project phasing and financial planning. ADG also provides assistance in fund raising, grant writing and compliance, coordination of art in public places, institutional organization, board communication and marketing. ADG Client Recommendations Video