Architects
BELLArchitects, PC, Crosskey Architects, David Brain Partnership, Donald Insall Associates, Fernier & Associates, Francoise Bollack Architects, Frazier Associates, Gil Sanchez, Architect, Hoffmann Architects, Ian Bowman, Ltd.
Commercial Contractors
Achille Grassi, Alma Stone, American Architectural Restoration, Coon Restoration and Sealants, Inc., Decor Craft, F. E. Ciccone and Company, Fanlights, GC Design Build, Hayles & Howe, Herbert Read Ltd
Materials and Supplies
Adams Architectural Wood Products, Alderson Copperworks, Architectural Restoration Castings Co., Balmer Plaster Moulding Corporation, Cathedral Stone Products, Cunningham Lumber, Daprato Rigali Studios, Don Barker Ltd, Emerald Stained Glass, Historic Window Resources, Inc.
Architectural Restoration Technologies
Provides consulting and analytical services, including materials analysis.
ARS Progetti
Ambiente Risorse e Sviluppo (Environment, Resources and Development) is a consulting firm working all over the world.
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.
Julie L. Sloan
Stained glass consultants advise on stained glass conservation issues.
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.
Parasmoon
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.
Preservation Trades Network (PTN)
Contractors and designers specializing in historic restoration. Includes information on trade shows and events.
PreservationWeb
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.