About Us

Keystone Aerial Surveys, Inc. was founded in 1963 with the purpose of providing superior aerial imagery collection for remote sensing and photogrammetry. Throughout the years, this guiding principle has remained unwavering and our commitment to excellence has led to consistent growth and performance. While branching out into a full range of geospatial products and services, the core of Keystone’s business has continued to be acquisition quality and efficiency utilizing various sensors. Headquartered in Philadelphia-PA, Keystone is a passionate company operating with flexibility, innovation, and a commitment to customer satisfaction.

Keystone maintains permanent bases of operations in Philadelphia-PA (headquarters), Frederick-MD, Spartanburg-SC, Longmont-CO, Belen-NM, Houston-TX, Los Angeles-CA, and Reno-NV. Having multiple bases of operations minimizes ferry times and gives Keystone a local presence and redundancy throughout the contiguous United States. Keystone owns and operates almost thirty aircraft, fourteen large-format digital cameras, two oblique large-format nadir/oblique digital cameras, four LiDAR sensors, and seven oblique imagery/LiDAR sensors. Keystone employs full-time flight crews consisting of pilots, operators, licensed aircraft mechanics, and a fully equipped and staffed post-production unit. Keystone employs ASPRS Certified Photogrammetrists (CP), GIS Professionals (GISP), and Project Management Professionals (PMP). Numerous survey crews, aircraft, state-of-the-art cameras, and GPS navigation equipment allow us to take advantage of tight weather windows.

Keystone’s history of success acquiring aerial data on unique projects, from single-line engineering and transportation projects to large statewide and multiple-county projects in single seasons, qualifies Keystone for your project. Keystone’s understanding of the aerial survey business contributes to its ability to execute projects in all types of terrain and weather conditions as well as in restricted airspace. Keystone has extensive experience in contract management of large, complex projects where quality control and communication are paramount. Keystone pilots are highly proficient in the procedures required for coordinating with the Air Route Traffic Control Centers (ARTCC) system. Keystone has several well-established relationships with various controlling agencies and military airspaces throughout the country which help facilitate aerial survey operations in difficult-to-access areas. Over the last six decades, Keystone has evolved and grown with the technology of the times without altering its long-standing commitment to delivering consistent, high-quality products.

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