Dunbar and Boardman
Offers design, maintenance, management and expert witness services to the elevator and escalator industries. Contains services, disciplines, projects, and news.

Elevator Systems Professionals
Offers elevator design, project management, contract, evaluation, commissioning, due diligence and accident investigation. Contains FAQs and articles.

Jappsen Stangier
Consulting engineers specializing in elevators, escalators, and other conveying systems in office buildings. Contains a description of services, recent projects, and company information.

Buy-VT
Includes elevator and escalator procurement, and information on regulations, building work, and traffic assessment.

Edward A Donoghue Associates, Inc.
Code and safety consultants. Contains services, publications, and Elevator Code Authority directory.

Sterling Elevator Consultants, LLC.
Describes services, including field surveys, system layouts, inspections, preparation of specifications, and assessments, profile, elevator history, and disability and safety technical papers.

Nationwide Elevator Consultants
Offers elevator and escalator design, modernization, maintenance management, engineering evaluation, specification, and traffic studies. Contains services and contact information.

Guardian Elevator Services Pty Ltd
Lists services, including project assessments, legal reporting, audits, performance diagnosis, maintenance contacting, and modernization consultancy.

Ronald J. Farley and Associates
Offers engineering evaluation and specification, traffic studies, and bid review. Contains company information and recent projects.

National Elevator Consultants, Inc.
Offers pre-engineering calculation, audit, design criteria, specification, project management, and feasibility services. Includes profile, services, staff, and clients.

D.T.M. Inc.
Services include system design, traffic analysis, preparation of contracts, inspections, and modernization reviews. Contains profile, projects, services, client list, and staff.

Soberman Engineering
Services include design, traffic analysis, contractual documentation, and modernization reviews. Contains profile, services, staff, and projects.

Lerch, Bates & Associates Inc.
Contains corporate profile, history, locations, jobs, and subsidiary companies, with details of services offered.