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Keystone Aerial Surveys, Inc. specializes in providing quality aerial surveys throughout the United States. Keystone has flown millions of survey miles throughout the United States on projects with various specifications. We have eight locations; Philadelphia, PA (headquarters) / Fredrick, MD / Houston, TX / Reno, NV / Los Angeles, CA / Belen,NM / Longmont, CO and Spartanburg, SC. The Flight Department has considerable experience collecting airborne imagery at high and low altitudes in several formats including Imagery and LiDAR. Keystone also collects and provides both Airborne GPS (ABGPS) and Inertial Measurement Unit (IMU) data.


As of February 1st, 2020 Keystone is a proud member of the Vexcel Group of companies.



Keystone is an Affirmative Action / Equal Opportunity Employer.