VDA is the leading Elevator Consulting and Escalator Consulting Firm in the Vertical Transportation Industry

VDA is the leading Elevator Consulting and Escalator Consulting Firm and has provided Vertical Transportation consulting for more than 37,000 projects in the USA and globally. Branch offices are conveniently located in major client markets. With more than 180 professionals, VDA can help meet clients’ needs for Elevator Consulting.

Our diverse experience and wealth of knowledge will provide the most suitable and effective solution for your vertical transportation needs.