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Established over 100 years ago, Clark Construction is one of the country’s leading general contractors with revenues of more than $5 billion annually.  Headquartered in Bethesda Maryland, Clark is one of the largest privately-held contractors in the United States with offices throughout the country. Clark’s western region headquarters is in southern California with offices in San Diego, Irvine, San Francisco and Seattle.  Clark has had a growing presence in California since the 1980s. In Los Angeles, Clark constructed and revitalized some of the city’s most iconic buildings―LA City Hall Seismic Rehabilitation, Hall of Justice Renovation, Caltran’s District 7 Headquarters, USC’s Galen Center, LA Live, and the US Federal Courthouse.  Celebrating 25 years of continuous operations in California and over $6.3 billion of successful work in Los Angeles, Clark continues to be a key player in LA’s built environment and to find meaningful ways to give back to the local community.

For 25 years, Cumming has provided value-added solutions that enable projects to be executed on time and within budget. Cumming provides a comprehensive suite of services – including project and cost management, scheduling, energy consulting, and more – that specifically address our clients' unique challenges, no matter the sector or project type.

C.W. Driver Companies is a premier builder serving California since 1919. In 2019, the historic company proudly celebrated its 100-year anniversary. As a leader in general contracting and construction management services, C.W. Driver Companies are on the cutting edge across a broad spectrum of industries, including education, commercial/office, technology, healthcare/biomedical, mixed-use, assisted living, entertainment, retail, industrial and civic. Ranked in Engineering News Record‘s Top 150 General Contractors and Top 100 Construction Managers, C.W. Driver Companies has the ability to build a variety of projects, from large tenant improvements to small renovations and specialized projects through its affiliates Driver SPG and Good & Roberts. C.W. Driver Companies has offices located in Los Angeles, Anaheim, Rancho Cucamonga, San Diego and Carlsbad. For more information, please visit Follow C.W. Driver Companies on Facebook, Twitter and LinkedIn.

Optimum Seismic, Inc., is Southern California’s leading retrofit company for earthquake retrofit engineering and construction, specializing in multifamily and commercial buildings. Since 1984, the team at Optimum Seismic has completed more than 3,000 retrofits on a variety of buildings throughout the state of California, including structural infrastructure such as highway bridges.

Los Angeles Headquarters Association
437 S. Cataract Ave,  Suite 4B,  San Dimas, CA 91773 | 888-317-0021 |
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