Contractor Database
This consultant directory was created as a reference to general public and other government agencies seeking professional assistance of consultants with expertise in historic preservation. This directory does not claim to be all-inclusive, but does list all companies who submitted complete applications.
Inclusion of a company in this directory does not constitute endorsement by DC Preservation League and the DC Historic Preservation Office.
Any company wishing to be included in this directly can complete the application form. If all minimum requirements are met, they will be added to the directory.
Archaeology
- A.D. Marble & Company
- American University
- Applied Archaeology & History Associates
- Chaney Architects, Inc
- Coastal Carolina Research, Inc.
- Dovetail Cultural Resource Group
- EAC/Archaeology
- Gibb Archaeological Consulting
- Greenhorne & O’Mara, Inc.
- HDR Environmental, Operations and Construction, Inc.
- Hunter Research, Inc.
- The Louis Berger Group, Inc.
- LaPorta Geological Consultants, L.L.C.
- John Milner Associates, Inc.
- The Ottery Group, Inc.
- pfb Consult, LLC
- R. Christopher Goodwin & Assoc., Inc.
- Robert Wall and Associates, Inc.
- Tetra Tech, Inc.
- Thunderbird Archeology, a division of Wetland Studies and Solutions, Inc.
- URS Corporation
- Versar, Inc.
- William & Mary Center for Archaeological Reasearch
Architects
- Bignell Watkins Hasser Architects, P.A.
- C. Richard Bierce, AIA
- David H. Gleason Associates, Inc.
- GTM Architects, Inc.
- HDR Environmental, Operations and Construction, Inc.
- ICON Architecture, Inc.
- Landis Architect / Builder
- The Louis Berger Group, Inc.
- John Milner Associates, Inc.
- Quinn Evans Architects
- Schamu Machowski Greco Architects, Inc.
- Vitetta
- Wiley & Wilson
- James Thomas Wollon, Jr., AIA (410.879.6748)
Architectural Historian
- A.D. Marble & Company
- Bignell Watkins Hasser Architects, P.A.
- C. Richard Bierce, AIA
- Chaney Architects, Inc
- Coastal Carolina Research, Inc.
- David H. Gleason Associates, Inc.
- Dovetail Cultural Resource Group
- EAC/Archaeology
- EHT Traceries, Inc.
- Fannin-Lehner Preservation Consultants
- GTM Architects, Inc.
- HDR Environmental, Operations and Construction, Inc.
- Higgins Quasebarth & Partners
- History Matters, LLC
- Hunter Research, Inc.
- ICON Architecture, Inc.
- JL&S Building Services, Inc. (202.627.2816)
- The Louis Berger Group, Inc.
- John Milner Associates, Inc.
- Maral S. Kalbian LLC.
- Mead & Hunt
- Powers & Company, Inc.
- Quinn Evans Architects
- R. Christopher Goodwin & Assoc., Inc.
- Tetra Tech, Inc.
- The Ottery Group, Inc.
- URS Corporation
- Versar, Inc.
- Wiley & Wilson
Carpentry
- Artistic Doors and Windows
- The Carving and Restoration Team, Inc. (703.369.1236)
- Conservation Solutions, Inc.
- C. R. Bennett Construction Co. (410.643.2893)
- Hayles & Howe, Inc.
- Jannsen Design and Restoration
- Landis Architect / Builder
- Oak Grove Restoration Co.
- Trionfo Builders, Inc.
- Worcester Eisenbrandt, Inc.
Glass
Iron Work
- Aeon Preservation Services, LLC
- Conservation of Sculpture & Objects Studio, Inc.
- Gichner Iron Associates, Inc. (301.937.4100)
- Mashack Frederick Iron Works (202.554.4455)
- Robinson Iron Corp.
- Z Construction
Masonry
- Aeon Preservation Services, LLC
- Cathedral Stone Products
- Conservation Solutions, Inc.
- Gavin Historical Bricks
- JL&S Building Services, Inc. (202.627.2816)
- Keystone Masonry Restoration (301.270.1148)
- Renaissance Development, LLC
- Restoration Services (301.272.2111)
- Trionfo Builders, Inc.
- Worcester Eisenbrandt, Inc.
Millwork Fabrication
- Artistic Doors and Windows
- C. R. Bennett Construction Co. (410.643.2893)
- Daedalus, Inc.
- Fine Art Conservation Group (212.941.8484)
- Oak Grove Restoration Co.
- Renew Restoration, Inc.
- Trionfo Builders, Inc.
- Wagner Roofing Company
- Worcester Eisenbrandt, Inc.
- Z Construction
Paint
- Aeon Preservation Services, LLC
- C. R. Bennett Construction Co. (410.643.2893)
- John Canning & Company, Ltd.
- Worcester Eisenbrandt, Inc.
- Z Construction
Plaster
- The Carving and Restoration Team, Inc.
- Conservation of Sculpture & Objects Studio, Inc.
- Conservation Solutions, Inc.
- Hayles & Howe, Inc.
- John Canning & Company, Ltd.
- Jim Evans
- Worcester Eisenbrandt, Inc.
- Z Construction
Roofing and Sheet Metal
- Aeon Preservation Services, LLC
- C. R. Bennett Construction Co.
- JL&S Building Services, Inc. (202.627.2816)
- Ruff Roofers
- Wagner Roofing Company
- Wheaton
Windows