Centipedia - Megasearch engine.

CorpTech- Details on each of America's 45,000 manufacturers and developers of high-tech products Up to 13 convenient reports Capsule, Profile, Rankings, Family, Competitors News, Web references, Map, Weather Current financials, Stock quote, Stock chart and SEC filings. Categories include: Factory Automation, Biotechnology, Chemicals, Computer Hardware, Defense, Energy, Environmental, Manufacturing Equipment, Advanced Materials, Medical, Pharmaceuticals, Photonics, Computer Software, Subassemblies & Components, Test & Measurement, Telecommunications, Transportation. Most of the information available on this site are FREE, but company profiles and summaries must be purchased.

HighBeam Research - Search an extensive archive of more than 35 million documents from over 3,000 sources -- a vast collection of articles from leading publications, updated daily and going back as far as 20 years. Save your searches, save articles and set up alerts to save time and increase your efficiency

Hoover's Online - Identify companies you want to research by previewing Hoover's advanced search capability. Building a company list through this search provides access to Hoover's 43,000 public and non-public US and international companies. Subscribers also have access to more than 16 million small to mid-sized companies.

Ingenta Connect - Website for the search and delivery of research articles, ingentaconnect.com offers access to article summaries from over 20,000 publications linked to the full text of over 4,500 titles. Full text access is set by each of our 140 publisher partners, but typically individual subscribers, or individuals within institutions that subscribe, can access the full text of their publications for free. Non-subscribers can, for the majority of articles, pay-per-view choosing from electronic, fax or mail delivery.

Proquest- The ProQuest® online information service provides access to thousands of current periodicals and newspapers, many updated daily and containing full-text articles from 1986. Their deep backfiles of archival material are also expanding daily as they digitize 5.5 billion pages from their distinguished microfilm collection.

Dunn & Bradstreet- Search millions of US companies and receive the Business Background Report online within minutes.

SEC Edgar Database- Obtain FREE SEC filings for background information.

Thomas Register / ThomasNet-  Industrial Product/Service Search — Search ThomasNet.com, the most comprehensive resource for industrial information, products, services, CAD drawings, and more

Wall Street Journal Interactive- Retrieve stories and briefing book on companies. For just $49 per year (or $29 if you're a Wall Street Journal, Barron's or SmartMoney Magazine subscriber), you'll get continuous news coverage of business, the financial markets, and technology. Plus, you can search a full news archive, access detailed company data and set up your own Personal Journal to create a custom view of the news. You'll even have exclusive access to Barron's Online and its in-depth weekly market commentary and SmartMoney Interactive, the personal-finance service that helps you plan, invest, save and spend smarter. New subscribers receive free access to the Interactive Journal, Barron's Online and SmartMoney Interactive for two weeks. Just cancel during that time if you're not completely satisfied and pay nothing.