Americans with Disabilities Act (ADA)
Occupational Safety & Health Administration (OSHA)
Elevator Conference of New York
Elevator Contractors of America
Elevator Escalator Safety Foundation
National Association of Elevator Contractors
National Elevator Industry, Inc.
New York City Department of Buildings
Charles Calderone Associates, Inc.
Castrillon, Barker & Associates, LLC
Hubert H. Hayes, Inc.
Sierra Consulting Group, Inc.
Sterling Elevator Consultants, LLC
Van Deusen & Associates
Vertical Systems Analysis
Elevator World Magazine
Virtual Elevator Museum