Raffi Abkarian & Associates, 18763 Vintage St, Northridge, CA 91324, US

John A. Martin & Associates is a unique structural engineering and design firm in Los Angeles that was founded in 1953. The firm provides engineering services throughout the United States and internationally and is one of the largest privately owned structural engineering firms in the United States. Its staff includes experienced structural engineers that are licensed in all 50 states as well as Puerto Rico and Guam. The management of all the company s projects are supported by highly sophisticated research and development teams, as well as engineers experienced in construction. The company designs all types of buildings that include: high-rise, long-span and specialty structures; hospitals; convention centers; arenas; stadiums; laboratories; and blast resistant structures, to name a few.