National Elevator Consultants, Inc.
- USA. Offers pre-engineering calculation, audit, design criteria, specification, project management, and feasibility services. Includes profile, services, staff, and clients.
- http://www.elevcons.com/

Jappsen Ingenieure
- Germany. Consulting engineers specializing in elevators, escalators and other conveying systems in office buildings. Contains a description of services, recent projects, and company information. Also in German, Spanish and Japanese.
- http://www.jappsen-ingenieure.com/index.asp?lg=en

SRA Systems.
- USA. Elevator consultants dealing with design and inspection services also project management. Includes elevator guide, inspection check chart, evacuation guide, careers and company contact information.
- http://elevatorinspection.org

Lerch Bates Inc.
- USA. Contains corporate profile, history, locations, jobs, and subsidiary companies, with details of services offered.
- http://www.lerchbates.com/