About Us

Wehrli and Associates main advantage is its ability to takes its user knowledge base and parlez that into the development of a useful, high quality photogrammetric tool. Our philosophy is to utilize a COTS strategy thereby letting larger industries absorb the cost and time developing those components.


Today, our products include the RasterMaster photoscanners series, aerial stabilization platforms, digital aerial cameras, forward motion compensators and mapping systems installed world-wide in government agencies ranging from military bases to transportation departments, to geological departments to private enterpises.


In 2000, Wehrli and Associates partnered with Geosystem SSPE in the R&D and marketing of photogrammetric instrumentation. This has been most successful, as the marriage of our technical and marketing knowledge base aligned with a low-cost manufacturing source has enabled us to reach a broader worldwide base and provide better instrumentation to the market place.


In July of 2014, Wehrli & Associates joined other industry leaders and academic institutions as an industrial partner in establishing a Center of Excellence for Unmanned Aircraft System. This group participates in enabling key technology for future improvements in agriculture, engineering site development, resource inventory, mapping, GIS, remote sensing, and law enforcement.


Key Personnel

Gregory Wehrli - Managing Director

Greg is responsible for all sales, customer relations and business development. He oversees research and development for custom development. He has a MS in Software Engineering and a BS in Business Management/Computer Science. Greg has been involved in all facets of the photogrammetric industry (map production, hardware/software development, equipment vendor) since the 1980s.


Alex Reyda - Associate

Alex is based in Vinnitsa, Ukraine. For more than 15 years Alex has been responsible for the advancement and creation of the operating software of the scanner. He is the primary author and electronic developer of the ScanMaster upgrade. He is one of our primary contacts for diagnosing, supporting and training customers remotely.