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.
Dunbar and Boardman: Offers design, maintenance, management and expert witness services to the elevator and escalator industries. Contains services, disciplines, projects, and news.
Edward A Donoghue Associates, Inc.: Code and safety consultants. Contains services, publications, and Elevator Code Authority directory.
Elevator Systems Professionals: Offers elevator design, project management, contract, evaluation, commissioning, due diligence and accident investigation. Contains FAQs and articles.
Guardian Elevator Services Pty Ltd: Lists services, including project assessments, legal reporting, audits, performance diagnosis, maintenance contacting, and modernization consultancy.
Jappsen Ingenieure: Consulting engineers specializing in elevators, escalators, and other conveying systems in office buildings. Contains a description of services, recent projects, and company information.
Lerch, Bates & Associates Inc.: Contains corporate profile, history, locations, jobs, and subsidiary companies, with details of services offered.
National Elevator Consultants, Inc.: Offers pre-engineering calculation, audit, design criteria, specification, project management, and feasibility services. Includes profile, services, staff, and clients.
Ronald J. Farley and Associates: Offers engineering evaluation and specification, traffic studies, and bid review. Contains company information and recent projects.
Soberman Engineering: Services include design, traffic analysis, contractual documentation, and modernization reviews. Contains profile, services, staff, and projects.
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.