Leading the Northwest in Photogrammetric Engineering Since 1956
Located in Portland, Oregon, Spencer B. Gross, Inc. (SBG) specializes in quality photogrammetric mapping and "off the shelf" digital databases. We combine the latest mapping technologies: Airborne GPS, AeroTriangulation, Analytical and Softcopy Compilation, Precision Scanning, Digital Orthophoto Production and LIDAR laser terrain mapping.
We maintain the largest library collection of historical aerial photography of the Portland Area, and over 40,000 square miles of current GIS Data and Digital Orthophotos for Western Oregon and Washington. With 46 years of service, Spencer B. Gross, Inc. is your primary source for Mapping needs and Land Information in the Northwest.
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