Walters & Wolf is an employee-owned (ESOP) building-envelope contractor based in Fremont, California. Founded in 1977 by John Walters and Randy Wolf, the firm designs, engineers, fabricates, and installs curtain wall, architectural glass, metal panels, stone cladding, GFRC and architectural precast concrete, plus interior door/frame/hardware systems. With roughly 600 employees across seven locations in five western states, it is one of North America's largest building-envelope manufacturers and has clad landmark projects for Apple, Google, Adobe, Kaiser, and Sutter Health.

Kevin O'Riordan is President and CEO of Hathaway Dinwiddie Construction Company, the 117-year-old, employee-owned San Francisco general contractor behind a generation of California's most photographed buildings. He took the top job on April 1, 2025 after four decades in the trade and five years running the Northern California region. In the same window he was elected 2025 President of the Construction Employers' Association.