By builder
Cray supercomputers
Cray has built 2 machines that reached number one on the TOP500, holding the top spot across 3 lists for operators in United States. The fastest was Titan at 17.59 PFlop/s.
Machines
Every list held
| List | System | Operator |
|---|---|---|
| November 2012 | Titan | Oak Ridge National Laboratory |
| June 2010 | Jaguar | Oak Ridge National Laboratory |
| November 2009 | Jaguar | Oak Ridge National Laboratory |