Hathaway Dinwiddie Construction gilds the Golden State. The California general contractor, designer, and project manager specializes in constructing microelectronic, semiconductor, and biopharmaceutical facilities. Hathaway Dinwiddie also has experience building office buildings, entertainment centers, hotels, retail stores, and schools. Other specialties include interior improvements, renovations, and seismic retrofits for the state's earthquake-prone market. The company has worked on projects for clients such as Cedars-Sinai Medical Center, UC Berkeley, and architectural firm Gensler. Executive management owns Hathaway Dinwiddie, which has offices in San Francisco, Santa Clara, and Los Angeles.