Other banks being questioned include JPMorgan Chase, Citigroup, Deutsche Bank, HSBC and Bank of America.

FORBES: Libor Trap: Banks Want Out But Regulators Won't Let Them Leave

Data brokers questioned by the House Energy and Commerce Committee this summer said their clients include Chase Bank, Wells Fargo, and Progressive Insurance.

NPR: Pretexting Is Alive and Well in Corporate America

Meanwhile many other banks JPMorgan Chase, UBS, Deutsche Bank, Royal Bank of Scotland, and HSBC are being questioned.

FORBES: Libor Problems Go Global, Singapore Authorties Probe Citi Over Rigging