TJC and Associates, Inc. is a multi-discipline engineering firm that specializes in electrical and structural design engineering services. Our core engineering service offering includes structural; instrumentation, control & electrical; and control systems programming. We primarily serve other engineering firms, public agencies, and businesses located in Northern California on projects consisting of water and wastewater treatment plants, reservoirs and pump stations, chemical storage and commercial buildings. Over our 20 year history, we’ve built a highly skilled and seasoned workforce that enjoys what they do- Offering a comprehensive service with a knack for problem solving and specializing in water and wastewater facilities.