| Restoration Procedures | Engineering Offices Peter Sobek, Rödermark | 
            
              | Static Structural Analysis | Deutsch-Buckert-Thomas, Dr. Deutsch, Frankfurt a/M | 
            
              | Geotechnical | TU Darmstadt - Prof. Dr. Rolf Katzenbach, Darmstadt | 
            
              | Biological analysis | Institute for Pest Analysis Dr. Martin Strohmeyer, Krefeld LBW-Bioconsult - Dr. Th. Warscheid - Expert on
                microbially-induced damage to materials
 | 
            
              | Construction Analysis (Salts, Dampness) | FEAD-GmbH Dr. Peter Friese - Research- and Development
                Laboratories for Reconstruction und Preservation of Monuments
                and Historic Buildings, Berlin | 
            
              | Petro graphic analysis | Office Dipl. Ing. Thomas Bolze - Engineering Offices and Stone
                Technicians, Potsdam | 
            
              | Fire Prevention | ER fire engineering GmbH Office for Fire Prevention, Hofheim | 
            
              | Building Equipment and Appliances | Expert Offices Rainer Stegerwald, Lohr am Main | 
            
              | Finance and Tax Advice | Kipp & Linkmann - Tax Adviser, Bad Nauheim | 
            
              | Consulting, Prevention und Patents | Patent Attorneys Hübner, Neumann, Radwer, Wenzel -
                Berlin, Düsseldorf | 
            
              | Interpreter | Oleg Barannikov, Frankfurt am Main |