Name 3Di LLC now Spectrum Mapping, LLC Address Maryland Office 28969 Information Lane Easton, MD 21601 USA Tel +1-410-770-6000 1-800-546-4437 (toll free, North America only) Fax +1-410-820-5613 E-Mail info@specmap.com Homepage http://www.3dillc.com Laser Altimetry page http://www.3dillc.com/rem-lidar.html