- DGS GEOTEC M. PE GEOPHYSICAL SERVICES Aghia Paraskevi – Attica Greece;
- AMEC FOSTER WHEELER E&I GMBH Via Sebastiano Caboto,7 Corsico (MI), Italy;
- ITALGAS STORAGE S.P.A. Via Meravigli,3 Milano, Italy;
- GEOSTOK ENTREPOSE 2, rue des Martinets – CS 70030 France;
- GEOFYZYKA TORUN SA Chrobrego 50, 87-100 Toruń, Polonia;
- MAGMA ENERGY Via Ernesto Rossi,9 52100 Arezzo, Italy;
- ALEANNA RESOURCES LLC Viale Gelsomini Manlio,14 00153 Roma, Italy;
- TERRACON S.r.L. Via Giovanni Bovio,20 Firenze, Italy;
- HUNT OIL COMPANY, 1900 North Akard Street, Dallas, Texas Usa;
- PROSPECTIUNI 1 Caransebes Street, 012271 Bucharest, Romania;
- INDIPENDENT RESOURCES plc Viale Liegi,41 00198 Roma Italy;
- EDISON S.P.A. Foro Buonaparte , 31 20121 Milano, Italy;
- PENTEX ITALIA LTD Via Varroccia ,43 03027 Ripi Frosinone, Italy;
- G.I.I. – The Geophysical Institute of Israel, P.O.B 1123, LOD 7019802, Israel;
- GEOTEC S.p.A. Via G. Barbato,20 – 86100 Campobasso, Italy;
- IMC Geophysics International Ltd, (now Tesla International) unit 2 Nix’s Hill Industrial Estate Alfreton, UK;
- SIAG Via XXIV Maggio, 20021 Bollate Milano, Italy.