Stonehill Geomatics

Geocadd Aerial Surveys is a professional consulting business based in Fremont, California, specializing in unmanned aircraft systems for engineers and land surveyors. With over 30 years of experience in digital photogrammetry, the company produces large-scale maps and high-resolution digital orthophotos tailored for engineering design and GIS applications. The firm offers a range of services, including photogrammetric mapping, digital orthophotos, and LIDAR acquisition, catering to a diverse client base that includes private firms and government agencies. Their advanced technology ensures high-quality outputs, including color and grayscale orthophotos with pixel resolutions from 1 to 5 feet, georeferenced to various datums. Generated from the website

Founded in 1980, Riechers Spence and Associates is a civil engineering and consulting firm. It specializes in planning, civil engineering and surveying services in Northern California. The company has expertise in commercial, industrial and residential projects, such as construction of new streets and public infrastructure. Its services include planning, surveying, mapping, design and analysis, obtaining permits from authorities, construction, as well as public agency and environmental division services. Riechers Spence and Associates has completed projects for subdivisions, commercial/industrial firms, wineries, vineyards, resorts, hotels, residential properties, wastewater plants and condominiums.