Based: Fridley

Fiscal 2007 sales: $12.3 billion

Cardiac rhythm disease management: Implantable cardioverter defibrillators, pacemakers, monitoring equipment treating cardiac rhythm disorders

Mounds View campus: 84 acres, 1.2 million square feet

Employees: 3,000 now, with room for 4,800

Contractors: Opus Northwest; Opus Architects & Engineers; Julie Snow Architects