VJ Tech x 18  GGU x 13  GEOSYSTEM Software, Inc. x 10  GeoStru Software x 8  Advanced Logic Technology x 6  NovoTech Software Ltd x 4  Soil Office x 4  RockWare x 3  Datgel x 2  Arnold Verruijt x 2  Sisgeo S.r.l. x 2  Mine Design Technologies Inc x 2  GAEA Technologies Ltd x 2  M-TECH SOFTWARE x 2  Sergey L. Gladkiy x 2  GroundwaterSoftware.com x 2  Fine Civil Engineering x 1  Dartistech x 1  RocScience x 1  Golden Software, Inc. x 1  Keynetix Ltd x 1  Ensoft, Inc. x 1  GeoAdvanced x 1  Carlson x 1  Maptek x 1  Geosoft x 1  geo&soft international x 1  Deep Excavation LLC x 1  Earthfx Incorporated x 1  3D Laser Mapping x 1  Geosysta Ltd x 1  EasySolve Software LLC x 1  Vista Engineering x 1  Gookin Software x 1  Mezintel x 1  Interfels GmbH x 1