MillerKnoll Brand Collective

Furniture, Fixtures, Equipment, Accessories
Milani
Seats, chairs and sofas for office, contract and home
Axolight
You can find some of their lights (DWG, 3DS, DXF) on Archello: https://archello.com/brand/axolight/bim
Intra Lighting
Modern, slick professional lighting. Revit files: https://www.bimobject.com/en/intralighting
BPM Lighting | Arquitectural and Engineering Lighting
BAUX Designs
Offecct
Casala
Contract furniture, soft seating & acoustic solutions. Some revit.
NARBUTAS
De Vorm
Glimakra
Really cute stuff - acoustic hut pod (nice revit file), poufy beanbag chair, tree-like dividers, leaf acoustic hangings, accessories.
Hush Acoustics
No BIM files yet...but I plan to follow up
Modo Luce
Barrisol® stretched ceiling
They have Revit files for their stretched ceiling configurations, and you can find some of the luminaires on Archello and BimObject. I like their Manta prodcut.
Fabbian.us
Nice selection of decorative lighting. Many have Revit files (or dwg).
Tecsound Déco-Solutions
Forestier Paris
Nice, organic shapes. Lots of natural textures. They don't have 3D files, but you can buy them (OBJ, etc) on: https://greatcatalog.net/en/forestier-b2529/
Ezobord
Expormim
Acoufelt US
SurfacingSolution
EMKO
Limited revit files
Rakumba - Decorative Lighting
Green Furniture Concept
Their acoustic tree lights are amazing.
UMAGE
Danish lighting design + furniture
Olé Lighting
Nice, organic fixtures. I applied for a professional login, though not sure if there are BIM files available (earlier, it said they were creating them).
Panzeri
A few models have Revit files
Pablo Deign
Some of their models have Revit
Martinelli Luce
Karman
They have the "moon" light and other fun shapes