See the following Business Directories:

Chambers of commerce directories 

• Chamber of Commerce International Directory
• International Chamber of Commerce--The World Businss Organization
• World Chambers Federation (formerly IBCC)

Company directories 

• Ad forum--Directory of advertising agencies.
• AirFreight
• Chemical Week Buyer's Guide
• Corporate Information--some free information
• The Electronic Blue Book of Building and Construction
• Global Sources--may need to register
• Hoover's Online
• Institute of Management Consultants--USA
• Manufacturing.net--manufacturing yellow pages. Also; may need subscription
• O'dwyer's Directory of Public Relations Firms--may need subscription for certain information
• Thomas Register of American Manufacturers
• zapdata.com--D&B - 14 million companies {Registration required]

International  directories 

• Braby's Red Index--South Africa
• Central and Eastern European Business Directory
• CorporateInformation--Over 350;000 company profiles.
• Europages--The European Business Directory--Search 150;000 companies.
• Hoover's
• Kompass--1.6 million companies in 61 countries.
• WAND--Online Global Trade Directory
• Zycon--Industrial manufacturers and distributors

Telephone directories plus 

• 411.com--Includes reverse address lookup and reverse phone lookup.
• AnyWho--AT&T
• Area Decoder--Country and area code lookup - Americom
• Internet 800 Directory
• Phonebooks of the World
• YellowPages.com--SmartPages
• White Pages--People; business; web sites; email.
• Yellowbook.com