| BELLArchitects, PC: Providing historic preservation services from office in Washington, DC, including historic structures evaluations, Section 106 consultation; restoration, rehabilitation and adaptive reuse design. |
| Crosskey Architects: Specializing in renovation and rehabilitation of older buildings. Located in Hartford, Connecticut. |
| David Brain Partnership: Bath, UK-based architectural practice experienced in conservation, and specialising in historic building restoration. |
| Donald Insall Associates: Specialising in historic building repair and conservation. Offices in London, Bath, Cambridge, Canterbury and Shrewsbury in the U.K.. |
| Fernier & Associates: Based in Paris, France and specializing in the refurbishment of historical buildings. |
| Francoise Bollack Architects: Offers historic preservation, adaptive re-use, renovation and new design. Overview of services and projects provided. |
| Frazier Associates: Full-service architecture firm working primarily in the Mid-Atlantic region of the United States. Includes awards and project information. |
| Gil Sanchez, Architect: Provides full historic architectural services in the Southwest US, specializing in restoration, rehabilitation and historical documentation of adobe construction. |
| Historic Resources Group: Provides historic preservation planning, architecture, and development services. Includes featured project details and staff profiles. |
| Hoffmann Architects: Specializing in the rehabilitation and historic restoration of building exteriors. North Haven, Connecticut. |
| Ian Bowman, Ltd.: Architect with specialized education in building conservation shows projects and offers background on regional regulations. Works in New Zealand and Australia. |
| John Milner Associates, Inc.: Provides multidisciplinary services in architecture and preservation planning, building conservation, and cultural resources to clients in the eastern United States. |
| Joseph Pell Lombardi Architect: New York City based preservation and restoration firm provides company profile and information on completed projects. |
| 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. |
| 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. |
| 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. |
| Michael Wilson Building Restorations: Specialises in reinstating and preserving heritage buildings throughout England. Profile, projects, news and awards. Based at Cranleigh, Surrey. |
| Old Houses of Louisiana: Specializing in the preservation, restoration and architectural design of old and historic buildings. Based in Baton Rouge, Louisiana. |
| Passchier Architects and Consultants: Specialize in architectural and urban heritage projects. in the Netherlands and Indonesia. |
| Peter Andrew Barrett: Provides consulting services to architects, builders, and planners involved in preservation projects. Includes project samples. |
| Peter Marquis-Kyle: Freelance "conservation architect" offers planning, building assessment, design, and documentation services for projects in Australia, following the Burra charter. |
| Pracownia Acant: Polish architectural firm specializing in the design and construction of palatial façades, interiors, and exterior sculptures, gates and fencing. |
| 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. |
| 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. |
| Seaton Design Group: Northumberland, England-based practice specialising in the restoration of listed buildings and small works projects. |
| Sunderland Period Homes: Specializes in building and restoring 18th and 19th century New England colonial homes. View samples of exterior and interior projects. |
| 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. |
| 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. |
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