All-Biz Network - Small business resources.
American Express Small Business Services - Good resources with lots of American Express products mixed in.
Association of Small Business Development Centers (ASBDC) - Partnership program between government, higher education, and local non-profit economic development organizations which promotes and continuously improves the SBDC network.
bCentral - Microsoft's B2B site. Good information, lots of Microsoft products.
Biz Plus - Large collection of information for small businesses.
BizBuyer.com - Modelled on Priceline, you can bid for products and services.
BizToolsPlus.com - Built by small business owners for small business owners, the site addresses business issues facing small and medium sized companies offering tools that make small businesses and their staff more productive, saving time and money.
Bizzed - A small business resource site created by Citigroup.
Business.com - A comprehensive directory of business web sites and breaking news, statistics, company and people profiles, and information on a variety of industries.
BusinessTown - Resources to start up and run a small business.
Chicago Tribune Small Business - Small business and business startup information from the Chicago Tribune.
DigitalWork - A site that gives you the option of paying to learn how to do something or puts you in touch with vendors who can do it for you.
Entrepreneur.com - Home of Entrepreneur Magazine.
ENTERWeb - An annotated meta-index and information clearinghouse on enterprise development, business, finance, international trade and the economy.
Entrepreneurial Edge - Resources for growing your company from the Edward Lowe Foundation.
EntreWorld - Resources for entrepreneurs from the Kauffman Center for Entrepreneurial Leadership.
eWeb - Resource for entrepreneurship education from St. Louis University.
Excite Business - Directory of information and tools from Excite.
Inc.com - Information, products, services and online tools for someone starting or running a business.
KillerBiz - Services from 50,000 providers with a search and quote component.
The Management Library - Links on all aspects of management.
National Association of Women Business Owners-NYC - Provides education, networking opportunities, resources and advocacy to help women business owners to grow, economically, professionally, socially and politically.
National Black Chamber of Commerce (NBCC) - Dedicates itself to economically "empowering and sustaining African-American communities through entrepreneurship and capitalistic activity within the United States".
National Small Business Network - Searchable Business Resource Directory; community message boards; feature articles, how-tos and other resources.
National Small Business United (NSBU) - Takes action on legislative and regulatory issues while helping to shape federal policy in the interests of small business.
Office.com - Business center including tools, features, news, products and research.
Onvia - A place to buy and sell products and services.
PracticeBuilders - Advice for persons starting a medical or dental practice.
Research Institute for Small and Emerging Business (RISE) - Provides corporations, policymakers, business and trade organizations with market, policy, and field research on issues impacting the formation and growth of small and emerging businesses.
Small Business Administration - Lots of free government resources and links.
Small Business Resources - Advice from small business and internet experts.
SmartOnline - Small business advice and information.
StartUPbiz.com - Resources for people who want to start a business or sell an idea.
startup.wsj.com - Opportunities and entrepreneurial help from the Wall Street Journal.
The Small Business Knowledge Base - Guide and tools to help manage a small business.
United States Chamber of Commerce (USCOC) - Fights for a pro-business Congress, testifies before Congress, and strengthens trade ties with other nations.
Work.com - Excite's business site.
Yahoo! Small Business - Yahoo's small business site.