Vertical Systems Analysis, Inc. is a well-established engineering consulting firm that has been providing expertise to numerous clients since 1986. Over the years, the company has evolved with the changing times and the needs of clientele into an industry leader with state of the art design and reporting methods and equipment. The firm's design and consulting experience has run the entire gamut from providing engineering and design for complex elevator/escalator systems and performing elevator surveys and audits of prestigious and landmarked properties, apartment cooperatives and condominiums, to public transit structures.