Find the Best Engineering Professionals in Stockton, CA

Kjeldsen Sinnock & Neudeck, Inc. (KSN) is a certified California Small Business Enterprise providing civil engineering, environmental restoration, and construction management services. With over 65 years of experience, we specialize in flood control, water resources, transportation infrastructure, and emergency response planning for public and private clients across Central California. Our multidisciplinary team delivers projects from initial design through completion while navigating complex regulatory requirements.