FF&E Resources
Decor (Drapery, Rugs, etc)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.
Lighting
Floors - Soft (Carpeting, etc)
Textiles
Paint + WallpaperHEWI
Sanitary and hardware solutions - most RFA files on Bimobject.com
Equipment#dispensers#mirrors#shelves#grab bars#specifications#hardware#locks#ADA Compliant#RFA Revit#DXF Autocad
Plumbing
Tiles
Blu Dot
Not sure if this is contract grade furniture, but I signed up for a trade account and 3D files and spec sheets are available.
Furniture (Contract/Commercial)#chairs#tables#desks#lighting#accessories#storage#beds#specifications#3DS Max#RFA Revit#SKP Sketchup#2D CAD#sofas
Windows + DoorsCOR
I've used many of their lounge seats, including "Shrimp" and Nenou. They provide downloads here: https://www.cor.de/en/downloads (and on BIMObjects)
Furniture (Contract/Commercial)#contractfurniture#chairs#configurator#specifications#tables#lounge#workstations#3DS Max#RFA Revit#SKP Sketchup#2D CAD#sofas
Acoustic Furniture + Fixtures
Metals + Coatings
Floors - Hard (Wood, Resilient, Cork)Fellowes® Architectural Solutions
Walls (Assemblies, Architectural)#Architectural Walls#office equipment#accessories#computer accessories#usaFellowes®
Monitor arms, keyboard shelves, whiteboards, etc - find 3D/Revit files in their downloads section here: https://www.fellowes.com/us/en/resources/downloads/
Equipment#wall#whiteboard#computer accessories#lighting#power#office equipment#3D Autocad DWG#HVAC#RFA Revit#SKP Sketchup#2D CAD#Architectural Walls#sofasBuzziSpace
Furniture (Contract/Commercial)#contractfurniture#lighting#acoustic#acousticpods#wallfinish#wallpanel#walltiles#ceilingtiles#ceiling#wall#chairs#tables#workstations#desks#lounge#modular#screens#sustainable#configurator#3DS Max#PCON#PET Felt#RFA Revit#FBX Maya#3D Autocad DWG#Ceiling Baffles#Ceiling Clouds#Acoustic Partitions#sofas
Ceilings