Jonas & Associates Inc. (J&A) is a full-service environmental consulting firm with a General A Contractor license number 719943 and HAZMAT. Our firm was established in 1987. We have offices in the Northern and Southern California. Jonas & Associates is certified as a small business, Woman-Owned Business Enterprise (WBE), Disadvantage Business Enterprise (DBE), Minority Business Enterprise (MBE), 8(a) and HubZone Firm.

Jonas & Associates has a proven track record in performance of numerous environmental, engineering, construction and information technology studies and investigations for both private and public sector clients. This has included strategic management of multi-disciplinary teams of environmental scientists, engineers, computer programmers, and legal professionals, in order to meet the specialized needs of our diverse clients.