By builder

HPE Cray supercomputers

HPE Cray has built 2 machines that reached number one on the TOP500, holding the top spot across 7 lists for operators in United States. The fastest was El Capitan at 1.742 EFlop/s.

Machines

El Capitan

1.742 EFlop/s · number one for 2 lists

Frontier

1.206 EFlop/s · number one for 5 lists

Every list held

List	System	Operator
June 2025	El Capitan	Lawrence Livermore National Laboratory
November 2024	El Capitan	Lawrence Livermore National Laboratory
June 2024	Frontier	Oak Ridge National Laboratory
November 2023	Frontier	Oak Ridge National Laboratory
June 2023	Frontier	Oak Ridge National Laboratory
November 2022	Frontier	Oak Ridge National Laboratory
June 2022	Frontier	Oak Ridge National Laboratory