Peering out her 22nd floor office window, Kathryn Cahill can point to the built legacy of her construction company, and family. The handiwork of four generations dots the San Francisco skyline - even the Financial District highrise where the CEO conducts business daily. "There's so much history," Kathryn said. "We have a lot of employees that are second-, third-generation even, and we've got a great, tangible product that is really rewarding." The more than 100-year-old company has...