Cariboni Group
Cariboni specializes in high-performance lighting solutions - LEDs for urban, street, arenas, and more architectural applications (not really decorative). They do have a cool urban system called spoon, which is pretty stylish.
Monitor arms, keyboard shelves, whiteboards, etc - find 3D/Revit files in their downloads section here: https://www.fellowes.com/us/en/resources/downloads/