VERTICAL SYSTEMS ANALYSIS, INC. - PA
Vertical Systems Analysis, Inc. (VSA) is an elevator and escalator consulting and engineering firm with a 30-year history and hundreds of satisfied clients. We offer a broad range of services, including elevator and escalator design; technical drawings and specifications for new construction and modernization; traffic analysis; maintenance condition audits; annual test witnessing; proposal and invoice reviews; permit filing and expediting; and much more.
Principal Edward M. Voll
Area of Operation North America