From the website:
RUZICKA ASSOCIATES, Consulting Engineers, with headquarters in Lakeport, California, has performed boundary, topographic and construction surveying, planning, design and quality control for streets and highways, water systems, sewer systems, drainage facilities, grading, earthwork, mining, energy and hazardous waste cleanup site improvements for subdivisions, shopping centers, schools, commercial and government buildings, and vineyard projects in California and throughout the West since 1967.