- Archeoidea S.a.S.
Consultants for the area of restoration, recovery and enhancement of the archaeological, artistic, architectural and monumental heritage of Italy.
- Building Conservation Associates
A private consulting and research firm practicing preservation design, conditions assessments, materials science, and historic building documentation. Projects are in the northeastern United States.
- Curatorial Resources and Research
Provides scholarly research, lectures, tours, and instructional materials on modern art and architecture for organizations, film-makers, and museums.
- General Engineering: Galileo Siscam Technology
An Italian company based in Florence offering geophysical surveys for archaeology and civil engineering, monitoring of structure micro-shifts, databases, geographic information systems. Company profile, examples.
- Hockley & Dawson
Consulting engineers who specialise in the sensitive repair and conservation of historic buildings and structures. Portfolio includes projects throughout the United Kingdom.
- Office of Bauforschung
A firm documenting and researching historical monuments in the Austrian Tyrol, as well as advising on and supervising restoration. Team, projects. In English, German and Italian.
This company in Iran offers preservation and restoration of historic buildings, objects, books and documents. Activities, portfolio, services, facilities.
- Paula S. Reed and Associates, Inc.
Woman-owned business, based in Maryland, provides cultural resource evaluations, primarily in the northeastern United States. Photos and brief description of services.
Directory of product suppliers, contractors, and craftspeople who do preservation work.
- Robert Silman Associates PC
Structural engineers specialize in historic preservation, including large federal projects in the United States. Includes work on masonry, timber, and cast concrete structures.
- Sanrakshan Heritage Consultants
A cultural heritage management firm in India specialising in the architectural conservation and management planning.