Companies providing interest rates, commercial paper rates, Treasury market prices and money rates.

Federal Reserve Board of Governors Statistics: Releases and Historical Data
Releases historical data on commercial paper, foreign exchange rates, US Fed assets, selected interest rates, consumer credit and finance companies.
http://www.federalreserve.gov/

Lycos Search Results: results for bank savings account rates
Find bank savings account rates and more at Lycos Search. No clutter, just answers. Lycos - Go Get It!
http://search.lycos.com/

Daily Financial Rates
Financial rates compiled by the Credit Union National Association.
http://www.cuna.org/

Tools - Resources - LIBOR Rate
Fannie Mae's London Interbank Offered Rates (LIBOR) are determined from information made available on the second to last business day of each month. Fannie Mae makes the results public on the last business day of each month.
http://www.fanniemae.com/

iMoneyNet - Money Fund Information
iMoneyNet ... Money Market Mutual Fund data for investors; information providers to institutional investors; highest yielding funds; money fund; money market; short-term invest
http://www.imoneynet.com/

Compare interest rates, deposits and loans. BanxQuote provides bank rates, mortgage rates, CD rates,
Compare rates, interest rates, mortgage rates, money rates, CD rates, auto loan rates, credit card rates, objective information and in-depth articles on consumer bank products such as mortgages, credit cards, CDs, auto loans, home equity loans and checkin
http://www.banxquote.com/

EmigrantDirect.com
EmigrantDirect offers high rate, no fee, no minimum savings accounts and certificates of deposit. Open an American Dream Savings Accounts today!
https://www.emigrantdirect.com/

Financial Center - United States - CD Rates
Financial Center for bank cd rates, money markets, bank cd yields, mortgage lenders, stocks brokers, online trading for stocks and futures, futures and commodities brokers, general insurances and other financial and investment business companies
http://www.financialcenter.com/

RateNet
Tracks financial institutions in US markets, analyzes interest rate performance and financial stability. Connection to banking sites and link to financial products.
http://www.ratedexpro.com/