corporate-campus
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Hathaway Dinwiddie
Hathaway Dinwiddie is a 100% employee-owned general contractor headquartered in San Francisco that has spent more than a century building the landmarks California works, lives, and heals in - from the Salesforce Tower to the Lucas Museum of Narrative Art and more than 10 million square feet of life-science space on the Peninsula. Built on planning, adaptation, and proactive partnership, the firm pairs century-old craft with advanced BIM workflows, LEED-driven sustainability, and an industry-leading safety record.
Rudolph and Sletten
Rudolph and Sletten is a California-based general contractor that has built much of Silicon Valley's physical fabric - from Apple Park and Lucasfilm's Skywalker Ranch to hospitals, research labs and university campuses. Founded in 1959 in a Los Altos garage, the firm pioneered guaranteed-maximum-price, fast-track delivery and grew into one of the West Coast's largest builders of technically complex healthcare, life-sciences and education projects. Now a subsidiary of Tutor Perini, it employs roughly 740 people and reports about $307 million in annual revenue.