ArchitectCentral.info is a architect central that offers various architect information such as lighting design, landscape architecture, building designers, commercial architecture, home builder, religious structures, interior design.
Hearlihy & Company
Specializes in drafting and CAD products for architects, designers, draftsmen, and other professionals. http://www.draftingdeals.com/
GM Computer Graphics
Specialises in the production of 3d visualisation and animation for the built environment.
SteelLOGIC Software
A software tool for the steel detailer that uses the AutoCAD drawing engine to automate the drawing of structural steel and misc metal structures.