Here are the contact details for Geonautics Int. Please use our contact form if you would like to send us a message. Geonautics International, Inc. 100 N. Central Expressway, Suite 500 Richardson TX 75080, USA Phone: (800) 330-9693 Fax: (800) 609-0495 Email: usa@geonautics.com (GMT -5hrs) Geonautics International, Ltd. Normanby Gateway, Lysaghts Way Scunthorpe, North Lincolnshire DN15 9YG, United Kingdom Phone: +44 0 1724 275180 Fax: +44 0 1724 888795 Email: uk@geonautics.com (GMT 0hrs) Geonautics International Pty Ltd 60 Morley Street Coorparoo Q 4151, AUSTRALIA Phone: +61 7 3324 2555 Fax: +61 7 3324 2566 Email: info@geonautics.com (GMT +10hrs)