C. Overaa & Co.
C. Overaa & Co. has been making its mark in Northern California. Norwegian immigrant and carpenter Carl Overaa founded the company in 1907 in order to help rebuild San Francisco after a major earthquake struck. Today the family-owned company builds institutional, commercial, industrial, public, and housing projects primarily in San Francisco's East Bay. It provides preconstruction, design/build, construction, sustainable building, and contracting services. The company's customers have included Courtyard by Marriott, the John Muir Medical Center, the US Postal Service, YMCA, and the University of California, Berkeley.