Barrons 

Big Charts

Brint.com

Business Week

Business Wire 

CEO Express

CNNfn

Companies Online

Corporate Information

Dow Jones Business Directory

Dun & Bradstreet

Edgar Database

FastCompany

KnowX

Market Guide

Motley Fool

Nasdaq

NACE Employer Profiles

Netrecruiter

Hoovers

Red Herring

RISE  -  Insead

SEC Filings at FreeEDGAR.com

Stanford University Business Research Papers

The Financial Times

The Wall Street Journal & WSRN.com

The Harvard Business Review

The Sloan Management Review

The Yale Business Library

The Ivey Business Journal from the Richard Ivey School of Business, University of Western Ontario

THE LONDON SCHOOL OF ECONOMICS AND POLITICAL SCIENCE 

The Backbone Magazine

Tuck University publications "Forum" - Dartmouth College

Wetfeet

Zacks.com

Make Them Beg - a knowledge site for the job seeker, extremely useful