Alibaba

BioExchange Directory - an online directory of links to companies in life sciences industry

Buyer's Guide Chem - provides contacts of worldwide suppliers of chemicals and chemical products, including US, Belgium, Netherlands, France, Germany, Italy, GB, China, India, Japan, Australia, and Africa

CTFA International Buyers' Guide (from the Cosmetic, Toiletry and Fragrance Association)

EC21

Food and Beverage Equipment and Supplies

Food & Beverage Network

Froogle – find products for sale from across the web

Google Catalogs - mail order catalogs online

Global Sources

Hoover's – worldwide major corporations

The International Optical Networks / Fiber Optics Yellow Pages

Leasing and Asset Finance Internet Directory

MetalWorld Equipment Directory

Nature Biotechnology Directory

SkyMinder.com - worldwide private companies

Thomas Global Register - over 500,000 industrial suppliers from 23 countries

Tradeattache.com – international trade database

Trade, Export and Commodity Finance Directory (from Trade Finance Magazine)

Web Lens Company Info

Wire Industry

World Directory of Public Administration (from UNPAN)

World Publishing Industry

General
Africa Product Digest

Contemporary African Database

MBendi - African company directory

South Africa
Clothing Federation of South Africa

Jewellers' Network

Port Elizabeth Regional Chamber of Commerce and Industry (PERCCI)

General
Agency ComPile

Medical Device Link

Thomas Food Industry Register (TFIR)

Canada
BellZinc Trade Directory – over 600,000 Canadian companies and 1,500,000 worldwide listings

Canadian Agri-Food Suppliers

Canadian Importers Database

Canadian Public Companies (SEDAR - System for Electronic Document Analysis and Retrieval)

Canadian Company Capabilities (Industry Canada)

Asian Ethnic and Canada-Asia Bilateral Business Associations Directory

USA
Biomedical Products

Cotton USA Fiber Suppliers Online Directory

Cotton USA Product and Licensee Directory

EDGAR Online

Fish and Seafood Directory of Maine

Food Master - equipment suppliers and services for the food and beverage industry

Manufacturing Yellow Pages

Thomas Regional Directory : Packaging

Thomas Register of American Manufacturers

General
Mercantil.com

Argentina
Companies in Argentina

Latinvestor - Argentine Listed Companies

Bolivia
Bolivia Web – business directory

Brazil 
Brazil Company 
BrazilTradeNet

Latinvestor - Brazilian Listed Companies

Chile
Chilean Export Database 
Latinvestor - Chilean Listed Companies

Colombia
Latinvestor - Colombian Listed Companies

Cuba
Member Directory, Chamber of Commerce of the Republic of Cuba

Mexico
Latinvestor - Mexican Listed Companies

Peru
Latinvestor - Peruvian Listed Companies

Trinidad and Tobago
Trinidad and Tobago Chamber of Industry and Commerce

Venezuela
Latinvestor - Venezuelan Listed Companies

General
Asia BIG

Asia Trade Promotion Forum

Business Directories (Nikkie Net Interactive)

Buying Sources 
Ringier Trade Publishing - provides contacts of machinery & material suppliers from China, Hong Kong and Taiwan in the plastics, packaging, food & beverage, and metalworking industries

China
China Commodity Net (Chinese version)

China Commodity Net (English version
) 
China Quality Enterprises (Chinese version, from General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China (AQSIQ)) 
Chinese Enterprises in overseas countries (Chinese version, from Ministry of Commerce, PRC) 
Chinese Export Commodities Fair Exhibitors (Chinese version)

Chinese Export Commodities Fair Exhibitors (English version)

International Business Data (English version, from Ministry of Commerce, PRC) 
International Business Data (Chinese version, from Ministry of Commerce, PRC) 
Made-in-china.com 
Accredited Laboratories (from Hong Kong Accreditation Service, Innovation and Technology Commission)
Hong Kong
Accredited Laboratories (from Hong Kong Accreditation Service, Innovation and Technology Commission)

The Association of Consulting Engineers of Hong Kong - member's index

Directory of Environmental Consultants

Directory of Hong Kong Trade and Industrial Organisations 
Exchange and Clearning House Participants and Trading Right Holders List 
The Federation of Hong Kong Watch Trades and Industries

Franchise Operators in Hong Kong

Hong Kong Association of Freight Forwarding Agents (HAFFA)

Hong Kong Business Directory (Hong Kong General Chamber of Commerce)

Hong Kong Designers Association Members Directory 
Hong Kong Fur Federation 
Hong Kong Quality Assurance Agency Buyer's Guide

Norwegian Chamber of Commerce

Overseas Hong Kong Business Associations (Federation of Hong Kong Business Associations Worldwide) 
India
Directory of Importers and Buyers from India

India-Invest - Indian companies on the net

IndiaMART

Indian Leather Exporters and Importers Directory

Indian Shoe Bazaar

Trade-india.com 
Indian Suppliers (India Trade Promotion Organisation)

Indian Chamber of Commerce & industry 
Japan
G-BOC - provides trade information of 4,500 Japanese companies, including exporters, importers, and joint venture companies

Hokkaido International Trade and Industry Promotion Association – World Trade Directory

International Business Opportunities (from Tokyo Chamber of Commerce and Industry 
Japan Financials

Standard Trade Index of Japan - includes information about members of Chambers of Commerce and Industry in Japan

Trade Tie-up Promotion Program (from Japan External Trade Organization)

Websites of Japanese Companies - over 800 leading companies listed on 8 stock exchanges in Japan

Singapore
Directory of Financial Institutions (Monetary Authority of Singapore)

The Green Book 
Listing of Certified Companies (Standards, Productivity and Innovation Board) 
Singapore Products and Services (International Enterprise Singapore)

Directory of Business and Company Names in Singapore (The Accounting and Corporate Regulatory Authority (ACRA))

South Korea
KITA Company Directory (Korea International Trade Association)

Korean Chamber of Commerce & Industry

Taiwan
Directory of Excellent Taiwan Exporters and Importers (Ministry of Economic Affairs)

Importers & Exporters Association of Taipei

Taiwan Innovalue

Taiwantrade (The Taiwan External Trade Development Council)(The Taiwan External Trade Development Council)

Taiwan Textile Federation