Commerce - Notable - The United States of America

Directories of USA companies

• Hoover's: Businesses directory; searchable database of millions of companies; free information available; in-depth information available for purchase
• Fortune 500: List of largest US corporations; from Fortune Magazine
• IQS Directory: Comprehensive Manufacturers Directory; leading industrial manufacturing companies, suppliers and distributors by category; industrial directory of industrial supply, manufacturers, purchasing, services and components
• Stock Market Yellow Pages: Directory of public companies; gives you a list of exclusively public companies with a particular word or phrase in their description and links to related information sources
• ThomasNet: Industrial directory; directory of products and services from industrial distributors, manufacturers, and service companies; national manufacturing search, CAD search, and brand search
• Websters Online: Business directory; Searchable directory of industrial and commercial products, services and brand names; searchable by SIC codes (Federal Standard Industrial Classification Codes) and NAICS Codes (North American Industrial Classification system)
• MacRAE's: Industrial directory; database of manufacturers, exporters, distributors and service companies

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