| 1. ARS Progetti |
| Ambiente Risorse e Sviluppo (Environment, Resources and Development) is a consulting firm working all over the world. |
| http://www.arsprogetti.com |
| 2. Arbogast Paint Analysis |
| Provides scientific analysis of historic finishes for the restoration of historic structures ranging from state capitol buildings to archaeological sites. |
| http://www.paintanalysis.biz/ |
| 3. Architectural Artisans |
| A studio crafting hand-carved architectural works in wood and marble for residential, commercial and historical interiors. This firm based in Valencia, California, works across the US. |
| http://www.architecturalartisans.com/ |
| 4. Barn Histories |
| Provides documentation of historic barns and outbuildings in the U.S. that includes condition reports, historical narratives, physical descriptions, architectural documentation, historic site plans, and State and National Register nominations. |
| http://barnhistories.com |
| 5. Bucks County TimberCraft Inc. |
| Custom design contracting firm specializing in adaptive reuse of old barns into unique homes. Features portfolio, FAQs, news. Based in Carversville, PA. |
| http://buckscountytimbercraft.com |
| 6. 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. |
| http://www.bcausa.com/ |
| 7. Curatorial Resources and Research |
| Provides scholarly research, lectures, tours, and instructional materials on modern art and architecture for organizations, film-makers, and museums. |
| http://www.curatorialresources.com/ |
| 8. EHT Traceries, Inc |
| A women-owned research and consulting firm specializing in architectural history and historic preservation, based in Washington, DC. |
| http://www.traceries.com |
| 9. 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. |
| http://www.gen-eng.florence.it/ |
| 10. Heritage Restoration, Inc |
| Historic Preservation construction company offering services such as framing, plaster, window repair and interior finish work. |
| http://www.heritagerestoration.org/ |
| 11. Historic House Colors |
| A nationwide consulting service that selects historically appropriate color schemes for homes and commercial building exteriors. |
| http://www.historichousecolors.com/ |
| 12. Historic Plaster Conservation Services Limited |
| Strengthens existing fragile plaster in ceilings and walls in historic buildings. |
| http://www.historicplaster.com/ |
| 13. Historic Structures |
| Master carpenter specializing in historic preservation, including plaster, millwork, and timber frame repairs. |
| http://historicstructuresdc.com/ |
| 14. Hockley & Dawson |
| Consulting engineers who specialise in the sensitive repair and conservation of historic buildings and structures. Portfolio includes projects throughout the United Kingdom. |
| http://www.hockleyanddawson.co.uk/ |
|
| 15. Induni Conservation |
| Bruce Induni offers consultancy in the UK on all aspects of historic stonework and mortar and teaches short courses on conservation. He describes his services, philosophy and experience. |
| http://www.induni.net |
| 16. J. Ballard Carpentry |
| New England business specializing in historic preservation. Projects include historically-sensitive additions, historic barn restoration, and custom millwork and woodworking. |
| http://www.jballardcarpentry.com/ |
| 17. Julie L. Sloan |
| Stained glass consultants advise on stained glass conservation issues. |
| http://www.jlsloan.com/ |
| 18. Magnolia Restorations |
| Residential restoration consultants dedicated to restoring fine homes to their original spirit. |
| http://www.magnoliarestoration.com |
| 19. Ned Kaufman PhD |
| An independent practice offering a wide range of professional services in heritage conservation, based in New York City. |
| http://www.kaufmanconservation.com |
| 20. 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. |
| http://www.bauforschung-tirol.com |
| 21. Parasmoon |
| This company in Iran offers preservation and restoration of historic buildings, objects, books and documents. Activities, portfolio, services, facilities. |
| http://www.parasmoon.com/ |
| 22. 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. |
| http://www.paulasreed.com/ |
| 23. Preservation Trades Company |
| Provides planning, estimating, design and construction services for the restoration of historic buildings. |
| http://www.preservationtradesco.com |
| 24. Preservation Trades Network (PTN) |
| Contractors and designers specializing in historic restoration. Includes information on trade shows and events. |
| http://www.ptn.org/ |
| 25. 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. |
| http://www.rsapc.com/ |
| 26. Sanrakshan Heritage Consultants |
| A cultural heritage management firm in India specialising in the architectural conservation and management planning. |
| http://www.sanrakshan.com |
| 27. Steven McQuillin & Associates: Building Preservation Consultants |
| Consulting firm specializing in National Register nominations, tax credits, theatre restoration work, urban planning, local preservation laws, advocacy. Based in northeast Ohio, providing service throughout the U. S. |
| http://www.mcquillinassociates.com |
| 28. Tutto Sesto |
| Refurbishment of arches and vaulted roofs for houses, taverns, basements and churches. An Italian firm which works across the world. |
| http://www.tuttosesto.it |
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