Services include feasibility studies, planning, interior design, renovation and restoration, additions to existing structures and new buildings. Kansas City. Warner-Nease-Bost Architects, Inc. is a full service architectural firm, Although WNB has accumulated a wide variety of experience over the years. Warner · Nease · Bost Architects, Inc. is a full service architectural firm, located in the historic River Market District in downtown Kansas City, Missouri. WNB maintains an active practice throughout the continental United States, as well as in several foreign countries. The firm's twin engine aircraft helps facilitate close administration of most out of town domestic projects.