SNC Technologies, Inc.              Le Gardeur, Canada 2003

           Pitney, Hardin, Kipp, & Szuch, LLP     Morristown, New Jersey 2002

                         MSFC                       Huntsville, Alabama 2002

             Travelers Insurance Company       Hartford, Connecticut 2002

                   SNC Technologies              Le Gardeur, Canada 2002

                        T3, LLC                       Dallas, Texas 2000

                Agency for Defense Development    Republic of Korea 2001

                     APT Research Inc.
                                                  Huntsville, Alabama
                                                                   1998
                   Ardis & Associates
                                                  Glen Carbon, Illinois
                                                                   1997
                   Accurate Energetic Systems, LLC
                                                  McEwen, Tennessee
                                                                   1997
                   Robison & Associates Architects
                                                  Oklahoma City, Oklahoma
                                                                   1997
                   Palmer Hoovestal
                                                  Helena, Montana
                                                                   1996
               U.S. Department of Labor
                                               New York, New York
                                                                   1995
                      TECSA
                                                    Milan, Italy
                                                                   1995
                 Thiokol Corporation
                                                  Marshall, Texas
                                                                   1994
                 Shell Research Ltd. 
                                                  Chester, England
                                                                   1994
          Risk & Industrial Safety Consultants, Inc.
                                                 Des Plaines, Illinois
                                                                   1994
                    Westinghouse
                                               Pittsburgh, Pennsylvania
                                                                   1993
                      OSHA
                                               Parsippany, New Jersey
                                                                   1993
             SNC Industrial Technology, Inc.
                                                Les Gardeur, Canada
                                                                   1992
         Exxon Research & Engineering Company
                                              Florham Park, New Jersey
                                                                   1992
               British Ministry of Defence
                                                   Bath, England
                                                                   1991
              Southwest Research Institute
                                                 San Antonio, Texas 
                                                                   1989
     Blass, Chilcote, Carter, Gaskins, Bogart, & Norcross
                                                Little Rock, Arkansas
                                                                   1989
             U.S. Army Corps of Engineers
                                                 Huntsville, Alabama
                                                                   1987