Vertical Systems Analysis, Inc. (VSA) is an elevator and escalator consulting firm, headquartered in New York City, that has been providing vertical transportation expertise to residential, corporate, governmental and medical clients since 1986. Over the course of 30 plus years, our company has evolved from a startup into an industry leader, changing with the times and always meeting clients' needs with state-of-the-art design and reporting methods and the latest equipment. Our design and consulting experience runs the gamut; we have provided engineering and design services for complex elevator/escalator systems, and performed elevator surveys and audits for prestigious and landmark properties, apartment cooperatives and condominiums, and public transit structures. VSA provides comprehensive, unparalleled design and engineering expertise that reflects the intent and vision of every client. We give our all to deliver quality projects on schedule, within all projected budget costs. As a full service consulting and engineering firm, VSA practices all major engineering disciplines as they relate to vertical transportation systems, including mechanical, electrical, and design layout.