WernerWorks
Furniture (Contract/Commercial)
William Gray
WINI
Hyllteknik - shelving
OPINION CIATTI
BD Barcelona Design
No Revit, but Sketchup - really funky stuff
Liqui® Contracts
Cameron Design House
Landscape Forms
Geiger
Wood casegoods, seating, and office furnishings for executive suites, private offices, conference rooms, and collaborative spaces.
NaughtOne
Bimstore
Products&Tradition
Fantin
Metallic furniture
MDD
ELITABLE
Lapalma
Cascando
Pineapple
Connection UK
Watson Furniture
Haworth
Davis Furniture
SIXINCH® USA
Frovi
I love their furniture so much. UK-based company. Sustainable (uses bamboo and sustainable fabrics - lists their CO2 footprint, certifications, etc). I've used them in a couple of projects, including their Bae, Bamboo, Relic, and Flord lines. Nice Revit files. Highly configurable.
Bejot
ERG International
ERG offers a wide selection of lounge and soft-seating furniture
Global Furniture Group
Knoll
KI
Kimball International
Nice rolling whiteboards and such