Documenta Surveys
- Specializes in documentation of buildings, structures, and sites, using photogrammetric and laser scanning. Offices in Sausalito, California and Curitiba, Paraná, Brazil.
- http://www.DocumentaSurveys.com

Fernández del Castillo
- Spanish architectural firm specialising in rehabilitation and extension of old buildings and urban remodelling.
- http://www.fernandezdelcastillo.es

Historic Resources Group
- Provides historic preservation planning, architecture, and development services. Includes featured project details and staff profiles.
- http://www.historicla.com/

Peter Andrew Barrett
- Provides consulting services to architects, builders, and planners involved in preservation projects. Includes project samples.
- http://www.pabarrett.com/

Ian Bowman, Ltd.
- Architect with specialized education in building conservation shows projects and offers background on regional regulations. Works in New Zealand and Australia.
- http://www.ianbowman.co.nz/

Seaton Design Group
- Northumberland, England-based practice specialising in the restoration of listed buildings and small works projects.
- http://www.webrighter.co.uk/sdg/

Donald Insall Associates
- Specialising in historic building repair and conservation. Offices in London, Bath, Cambridge, Canterbury and Shrewsbury in the U.K..
- http://www.insall-lon.co.uk/

Michael Wilson Building Restorations
- Specialises in reinstating and preserving heritage buildings throughout England. Profile, projects, news and awards. Based at Cranleigh, Surrey.
- http://www.mwrestorations.co.uk/

Vincent Benic Architect
- New York City based firm specializing in historic preservation of institutional buildings, adaptive re-use of historic buildings as well as new construction of community facilities.
- http://www.vbarch.com/

Quinn Evans Architects
- Full service architectural firm specializing in the adaptive use of historic structures and the traditional design of new buildings. Offices in Ann Arbor, Michigan and Washington, D.C.
- http://www.quinnevans.com/

Hoffmann Architects
- Specializing in the rehabilitation and historic restoration of building exteriors. North Haven, Connecticut.
- http://hoffmannarchitects.com/

Crosskey Architects
- Specializing in renovation and rehabilitation of older buildings. Located in Hartford, Connecticut.
- http://www.crosskey.com/

Fernier & Associates
- Based in Paris, France and specializing in the refurbishment of historical buildings.
- http://www.fernier.com/

BELLArchitects, PC
- Providing historic preservation services from office in Washington, DC, including historic structures evaluations, Section 106 consultation; restoration, rehabilitation and adaptive reuse design.
- http://www.bellarc.com/

Old Houses of Louisiana
- Specializing in the preservation, restoration and architectural design of old and historic buildings. Based in Baton Rouge, Louisiana.
- http://www.oldhousesoflouisiana.com/

Mark B. Thompson Associates LLC
- Architecture and planning firm specializing in historic preservation and restoration, independent school and university architecture and master planning. Offices in Philadelphia and Greenwich, Connecticut.
- http://www.mbtarchitects.com/

Julian Harrap Architects
- Offering a full range of architectural services for the repair and restoration of historic buildings, estates and landscape and new buildings in these historic settings. Located in London, UK.
- http://www.julianharraparchitects.co.uk/

Joseph Pell Lombardi Architect
- New York City based preservation and restoration firm provides company profile and information on completed projects.
- http://www.josephpelllombardi.com/

Passchier Architects and Consultants
- Specialize in architectural and urban heritage projects. in the Netherlands and Indonesia.
- http://www.pac-nl.org

Francoise Bollack Architects
- Offers historic preservation, adaptive re-use, renovation and new design. Overview of services and projects provided.
- http://www.francoisebollackarchitects.com

Robin Kent Architecture & Conservation
- Specialists in the conservation of historic buildings and sites, ancient monuments, conservation areas, and related issues, including new design in historic contexts.
- http://www.robinkent.com/

Pracownia Acant
- Polish architectural firm specializing in the design and construction of palatial façades, interiors, and exterior sculptures, gates and fencing.
- http://www.acant.bizn.pl/

Sunderland Period Homes
- Specializes in building and restoring 18th and 19th century New England colonial homes. View samples of exterior and interior projects.
- http://sunderlandperiodhomes.com/

Gil Sanchez, Architect
- Provides full historic architectural services in the Southwest US, specializing in restoration, rehabilitation and historical documentation of adobe construction.
- http://www.sanchezarchitect.com/

David Brain Partnership
- Bath, UK-based architectural practice experienced in conservation, and specialising in historic building restoration.
- http://www.dbpbath.co.uk/

Frazier Associates
- Full-service architecture firm working primarily in the Mid-Atlantic region of the United States. Includes awards and project information.
- http://www.frazierassociates.com/

Peter Marquis-Kyle
- Freelance "conservation architect" offers planning, building assessment, design, and documentation services for projects in Australia, following the Burra charter.
- http://www.marquis-kyle.com.au/

Westfield Architects & Preservation Consultants
- Woman-owned architecture firm handles historic preservation of residences, commercial buildings, and speciality items such as Lucy the Margate Elephant. Projects are in mid-Atlantic region of the United States.
- http://www.wa-pc.com/

Michael Gaetner & Associates
- Architects specialize in historic preservation and rehabilitation projects, including "fast track" projects, accessibility issues, and federally funded work. Commercial, residential, and hotel work, largely in the southwestern United States.
- http://mgaia.com/

John Milner Associates, Inc.
- Provides multidisciplinary services in architecture and preservation planning, building conservation, and cultural resources to clients in the eastern United States.
- http://www.johnmilnerassociates.com/