Manual for Streets
- Joint project by the UK's Department for Transport and the Department for Communities and Local Government, to develop guidance to a range of practitioners on effective street design. News, project information, and current drafts.
- http://www.manualforstreets.org.uk/

Urban Design Group
- Provides a forum for architectural, design, and urban planning firms to address urban design issues. Includes information on members and industry news.
- http://www.udg.org.uk/

ROMA Design Group
- Interdisciplinary firm of architects, landscape architects and planners specializing in streetscape design and urban development planning.
- http://www.roma.com/

S333
- Urban design studio in the UK focusing on city architecture and urbanism.
- http://www.s333.org/

Alper & Alper Architects and Planners, Inc.
- Specialists in planning and development on leased land, annexation agreements, and land use planning.
- http://www.repla.com/aa/

Maccreanor Lavington Architects
- An architectural and urban design firm with offices in the Netherlands and the United Kingdom.
- http://www.ml-architects.com/

MPA Design
- Multi-disciplinary landscape architectural and urban design firm. Includes description of projects.
- http://www.mpadesign.com/

Urban Collage, Inc.
- A multi-disciplinary firm specializing in the practice of physical planning and architectural and urban design.
- http://www.urbancollage.com/

Hayden Architecture + Urban Design
- Specializes in urban design and architecture.
- http://www.haydenaud.com/

Dover, Kohl & Partners
- Urban design firm specializing in master plans and illustrated codes for inner city revitalization, neighborhood redevelopment, and traditional town planning.
- http://www.doverkohl.com/

Van Meter Williams Pollack
- Multi-disciplinary architecture and urban design firm based in San Francisco, CA. Includes projects ranging from urban design, multi-unit housing, commercial and interior architecture.
- http://www.vmwp.com/

Defensible Space
- Information about the book Creating Defensible Space by author Oscar Newman, his institute, and ongoing projects.
- http://www.defensiblespace.com/index.htm

Clear Channel Adshel
- Designs and manufactures street furniture product solutions including automatic public toilets, recycling units, bus shelters, and public information systems.
- http://www.clearchanneladshel.com/