COMPANY
                             LOCATION
                                                     SOFTWARE

    Agency for Defense Department
                        Taejon, Korea
                                                HEXDAM 5.2*, and VASDIP 3.0*

    Motorola SPS
                        Austin, Texas
                                                VEXDAM 5.2

    
     TNO Prins Maurits Laboratory
                        Rijswijk, The Netherlands
                                                HEXDAM 5.2*, and VASDIP 3.0*
      Virginia Indonesia Company
                        Houston, Texas
                                                VEXDAM 5.2
    Sandia National Labs
                           Albuquerque, New
                               Mexico
                                               VEXDAM 5.1, HEXDAM 5.0,
                                               VASDIP-II+, HEXDAM Man
   Hernandez Engineering Inc.
                            Houston, Texas
                                                      HEXDAM 5.0, 5.2
          TECSA
                              Milan, Italy
                                                     VEXDAM 5.0*
      Shell Research Ltd.
                            Chester, England
                                                   VEXDAM 5.2* (SV), 
                                                    VASDIP 3.0*
           RISC
                           Des Plaines, Illinois
                                                     VEXDAM 5.0*
     Fraunhofer Institute
                           Kirchen, Germany
                                               HEXDAM 5.0*, VASDIP-II*+
      Bundeskriminalamt
                          Wiesbaden, Germany
                                              HEXDAM-D*+ and HEXDAM 5.2 
                                                  and VASDIP 3.0
   Defence Royal Ordnance
                           Swindon, England
                                                      VASDIP-II*+
   Canadian National Defense
                            Quebec, Canada
                                               HEXDAM-D*+ and HEXDAM 5.2*, 
                                                VASDIP-II*+, VASDIP 3.0*
     Technical Consultants Inc.
                            Marshall, Texas
                                                 HEXDAM-D+, VASDIP+,
                                                      VEXDAM+, VEXDAM 5.2
       Mr. Alex Gilev
                            Moscow, Russia
                                                 HEXDAM-C+, VASDIP+
     Ministry of Defence
                              Singapore
                                                       VASDIP*+
 Union Espanola De Explosivos
                             Madrid, Spain
                                                 HEXDAM-B+, VASDIP+
    Crane Army Ammunition
          Activity
                             Crane, Indiana
                                               HEXDAM-C+, HEXDAM 5.0,
                                                      VASDIP-II+
   National Defence Research
            Est.
                           Sundyberg, Sweden
                                                       VASDIP*+
  U.S. Army Combat Systems
           Test
                            APG, Maryland
                                                     HEXDAM-B+
     Ministry of Defence
                             Bath, England
                                              HEXDAM-C*+, HEXDAM 5.0*,
                                                 VASDIP*+, VASDIP-II*+, VASDIP 3.0*
      Dressler Engineers
                            Overland Park,
                               Kansas
                                                     HEXDAM-B+
    Naval Surface Warfare
          Center
                            Dahlgren, Virginia
                                                    HEXDAM-C+ (2)
  SNC Industrial Technology,
            Inc.
                          Les Gardeur, Canada
                                                 HEXDAM-C+, VASDIP+
   BDM International, Inc.
                            McLean, Virginia
                                                        VASDIP
  Eng. Design & Research Inst.
                             Beijing, China
                                                      HEXDAM-B
   Norwegian Defence Const.
           Ser.
                             Oslo, Norway
                                             HEXDAM-C*+ (2), VASDIP*+ (2)
         Sverdrup
                          Stennis Space Center,
                                 MS
                                                 HEXDAM-B+, VASDIP
     Los Alamos National
        Laboratory
                           Los Alamos, New
                               Mexico
                                                        VASDIP
        Italian Navy
                             Augusta, Sicily
                                                  HEXDAM-B, VASDIP
          EXXON
                           Florham Park, New
                                Jersey
                                               HEXDAM-B, HEXDAM-C+,
                                             VASDIP, VASDIP+, VEXDAM+ (2)
   Hercules Aerospace, Inc.
                             Magna, Utah
                                                      HEXDAM-B
   Sverdrup Technology Inc.
                             Arnold AFB,
                              Tennessee
                                                      HEXDAM-B
       Bureau Rapports
                           Bruyeres La Chatel,
                                France
                                                      HEXDAM-B
           LTV
                             East Camden,
                               Arkansas
                                                      HEXDAM-B
 DEMEX Consulting Engineers 
                             Fredriksberg,
                               Denmark
                                                      HEXDAM-B
    Day & Zimmerman, Inc.
                            Parsons, Kansas
                                                 HEXDAM-B, VASDIP+
   PAAESIKUNTA (Finnish
        Government)
                            Helsinki, Finland
                                                      HEXDAM-B
  Burger, Pretorius & Partners
                          Pretoria, South Africa
                                                      HEXDAM-B
  Commonwealth of Australia
                           Canberra, Australia
                                               HEXDAM-A (2), HEXDAM-B,
                                             HEXDAM-B+, VASDIP, VASDIP+
  Ernst Basler & Partners, Ltd.
                           Zurich, Switzerland
                                                HEXDAM-A, HEXDAM-B
 Atlantic Research Corporation
                           Gainesville, Virginia
                                                HEXDAM-A, HEXDAM-B
        S.A. MATRA
                             Paris, France
                                                HEXDAM-A, HEXDAM-B
     United Technologies
                           San Jose, California
                                                      HEXDAM-A
     SNPE Ingenierie S.A.
                             Paris, France
                                                HEXDAM-A, HEXDAM-B
   Denver Research Institute
                           Denver, Colorado
                                            HEXDAM-A, HEXDAM-B, VASDIP
  Federal Cartridge Company
                           Anoka, Minnesota
                                                      HEXDAM-A