Jonas and Associates Inc. (Jonas) is a full service, licensed general contractor with over 24 years of experience providing engineering, design-build, construction management, electrical and mechanical design and engineering, and related construction services to the public and private sectors. Jonas specializes in providing innovative solutions to construction and engineering challenges and has developed a strong client base with federal, state, and municipal entities, as well as commercial and private clients.

Jonas was founded in 1987 in Concord, California and has steadily expanded to include offices throughout California and the western United States, including the current corporate headquarters in San Francisco, and additional offices in Concord, San Diego, Woodland Hills, Santa Clara, and Las Vegas, Nevada. Jonas is certified by the Small Business Association (SBA) as a Small Business Enterprise (SBE), Woman-owned business enterprise (WBE), and Small Disadvantaged Business Enterprise (SDB). Jonas is also certified by individual state, regional, and municipal agencies as a small and underutilized disadvantaged business. Through its network of offices, Jonas maintains a multi-disciplinary consulting team of professional engineers, architects, planners, geologists, scientists, United States (U.S.) Army Corps of Engineers Quality Control-certified project managers, LEED Accredited Professionals, and other highly qualified technical personnel.

Jonas currently maintains multi-year, federal contracts with the U.S. General Services Administration, and U.S. Navy, among others, and attracts repeat clients by exceeding expectations, developing an understanding of clients' needs, and providing timely and responsive service. Other examples of Jonas' clients include the Department of Energy, Federal Aviation Administration, U.S. Air Force, and state and municipal clients, such as the California Department of Transportation, Contra Costa County Public Works, and City of San Francisco. Jonas' steady growth and financial stability is attributable to its commitment to providing technically defensible work products and maintaining a highly qualified team of professionals.

Jonas is also a full-service environmental consulting firm specializing in providing environmental site assessment, hazardous materials management, and remediation services to federal, state, municipal, commercial, and private entities. Jonas is committed to providing services with an emphasis on safety and currently maintains an exemplary safety record with an Experience Modification Rating (EMR) of 0.81.

Jonas Construction

Jonas Environmental