Jonas and Associates Inc. (Jonas) is a full-service environmental consulting firm with 24 years of experience 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 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. .

NAICS Codes

221310 - Water Supply and Irrigation Systems
221320 - Sewage Treatment Facilities
236115 - New Single-Family Housing Construction
236116 - New Multifamily Housing Construction
236210 - Industrial Building Construction
236220 - Commercial and Institutional Building Construction
237110 - Water, Sewer Line & Related Structures
237120 - Oil & Gas Pipeline and Related Structures
237990 - Other Heavy and Civil Engineering Construction
238190 - Other Foundation, Structure & Building Exterior
238220 - Plumbing, Heating & Air-Conditioning
238310 - Drywall & Insulation
238320 - Painting & Wall Covering
238330 - Flooring
238910 - Site Preparation
238990 - All Other Specialty Trade
339999 - All Other Miscellaneous Manufacturing
541310 - Architectural Services
541330 - Engineering Services
541620 - Environmental Consulting Services
541690 - Other Scientific & Technical Consulting Services
541990 - All Other Professional, Scientific & Technical
561210 - Facilities Support Services
562910 - Remediation Services