Meta-Sites
Business and Economics: Selected Internet Resources - courtesy Columbia University
Locating Information for Business Research courtesy Northwestern University
Virtual International Business and Economic Sources - courtesy of the University of North Carolina, the focus of this site is on international economics
Business: Subject Research Guide - provides assistance in doing research in a variety of business and management topics including accounting, banking, marketing, international business, finance, organizational behavior, entrepreneurship, industry research, stock exchanges and more.  Courtesy of Rutgers University
 

Statistical Sources
Consumer Price Index - courtesy of the Bureau of Labor Statistics
Economy at a Glance - courtesy of the Bureau of Labor Statistics

Finance

Free Edgar - is named after the Security and Exchange Commission's Edgar database of document  filings by publicly held companies.  Part of the Edgar Online website, Free Edgar "offers the individual user easy, basic access to SEC EDGAR filings."  It's easy to search by ticker symbol or company name
Business.com - the "Company Finder" at this searchable site provides company profiles, financial statements, biographies of key executives, information on competitors, overviews of key developments, earning estimates, and other information on over 68,000 public, private and international companies
10KWizard.com!  - "Your web resource for powerful searching of REAL-TIME SEC filings. Use 10K Wizard to find those nuggets of valuable information on people, companies and industries"