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Hathaway Dinwiddie has a rich history of delivering successful building projects as a General Contractor, Design-Builder and Construction Manager. Consistently ranked in the Top 100 General Contractors in the United States, Hathaway Dinwiddie provides General Contracting, Design-Build, Project Planning and Management services in California’s most dynamic markets. We have helped the nation's premier companies and institutions develop landmark structures and quality interior spaces throughout the San Francisco Bay Area, Silicon Valley and Southern California. With over 100 years of experience, Hathaway Dinwiddie brings industry-best capabilities, people and advanced technologies to every project to inspire possibilities. From the moment we engage, we collaborate, plan and think ahead. We never stop until we have delivered the best value for every project. This “Whatever it Takes” attitude drives every client relationship and work product.

Hathaway Dinwiddie is one of the most respected construction companies in California. For over a century, we have helped the nation’s premier corporations and institutions develop landmark buildings throughout California. We are sought out for projects by owners of Life Sciences projects, Research labs, Biotechnology, Entertainment industry, Hospitality, Institutional Clients, Academic Institutions, Commercial Office, Medical Offices and Healthcare. Type of Company/Ownership structure: Corporation. Office Location(s): Los Angeles, San Francisco, Silicon Valley, Seattle. Type of projects that the company specializes in: Commercial 30%, Life Sciences 25%, Interiors 15%, Education 10%, Hospitality 10%, Cultural 10%. 2020 General Contractor Rankings: #3, ENR Top California Contractors; #40 ENR Top 400 Contractors US; #18 ENR Top 100 Green Contractors US; #6 LA Business Journal LA County Billings; #5 SF Business Times Bay Area Contractors.