About Us

Building the Foundations of our Society

Cornerstone Concilium, Inc. is the holding company of a vibrant, growing, multi-discipline engineering, architecture, management, technology, and consulting company located in San Francisco, California and Washington, D.C.

Established in 1986, Cornerstone provides services for complex transportation, healthcare, technology, and major capital infrastructure development projects throughout the United States. Their staff of project managers, construction managers, facilities managers, engineers, and other industry professionals are experienced in delivering solutions for their clients.

Federal clients include the Department of Defense, the Department of Homeland Security and the General Services Administration. Cornerstone also serves several airports and transit agencies around the country such as the Washington Metropolitan Area Transit Authority, LA Metro and Bay Area Rapid Transit. In addition to government projects, Cornerstone also works with private companies including Fortune 500 technology companies and real estate developers.

Cornerstone strives to serve and enrich society with wisdom and integrity. We seek to empower public and commercial enterprises worldwide to succeed, by aligning their transportation, facilities, and technology investments with their strategies for revenue growth.

Cornerstone strives to serve and enrich society with wisdom and integrity.

We seek to empower public and commercial enterprises worldwide to succeed, by aligning their transportation, facilities, and technology investments with their strategies for revenue growth.

National Infrastructure

San Francisco 

Washington DC 

New York 

San Jose 

Seattle

Making an Impact

Wherever Cornerstone has a presence, there will be a Cornerstone Institute training and professional development program in that community.
Learn about The Anointing Institute >

Our Partners