Rocky Mountain Furniture Group, serving the Rocky Mountain and Midwest area, offers the very best quality of office furniture. Rocky Mountain Furniture Group, serving the Rocky Mountain and Midwest area, offers the very best quality of office furniture.. Rocky Mountain Furniture Group, Performance Furnishings, Performance Office Furniture, office furniture, seattle, portland, office deskss, laminate desks, wood veneer desks, office chairs, ergonomic chairs, executive chairs, guest chairs, stack chairs, folding chairs, drafting stools, tables, laminate conference tables, wood veneer conference tables, nesting tables, training tables, folding tables, coffee tables, end tables, cubicle panels, cubicle partitions, filing cabinets, lateral files, mobile file pedestals, metal wire shelving, laminate bookcases, wood veneer bookcases, metal storage cabinets, laminate storage cabinets, ergonomic keyboard trays, plastic center drawers, monitor arms, task lighting, chairmats, chair mats, tackboards, tack boards, power modules