The following Business Trade Directories could assist you in finding suppliers of goods and services
Industry specific sources  <http://www.brain.org.za/SUPPORT/industry_sectors/industry_sectors.html>

www.bigsky247.com 
South Africa's first dedicated trade portal  serving the South African and  International Trade community.

Mbendi <http://www.mbendi.co.za/>
The site has been designed to assist business-people to identify and research business opportunities in the country and industry sectors of their choice.

Ezee-Dex business search page <http://www.edx.co.za/edx.htm>
Ezee-Dex provides a business search engine.

Brabys.com <http://www.brabys.com/>
Guide for information on business, community, government, entertainment and recreation for Southern Africa and the Indian Ocean Islands.

TradePage <http://www.findit.co.za>
The tradepage directory of trade, commerce, industry and business opportunites in South Africa. The gateway to the African continent.

Cape Business News <http://www.cbn.co.za>
Business listings, trade enquiries and leading exporters amongst other valuable information.

BusinessWeb <http://www.businessweb.co.za>
South African market site for buyers and sellers. An internationally recognised business-to-business website, thousands of suppliers, traders and manufacturers.

Electronic Buyers' Guide - EBG <http://www.ebg.co.za>
Directory of the South African electronics industry.
Yellow pages Online <http://www.yellowpages.co.za/sadocs>
Claim to be South Africa's largest and most comprehensive business directory. The online version of the yellow pages telephone book.

SAYellowPages <http://www.sayellow.com>
Search for over 350,000 companies in South Africa in a Yellow Pages styled Business Directory.
EasyInfo.co.za <http://www.easyinfo.co.za>
EasyInfo, the Business Directory for South Africa. Search for anything from banks and restaurants to travel and computer retailers. Find products, companies, agents, outlets and distributors.

Directories Online <http://www.directories-online.co.za>
Features:

• 60 main industry and business categories
• Numerous search friendly sub categories
• Full Product/Company/keyword search functionality
• Links to all listed companies websites
• FREE access and FREE company listing services (moderated)

EasyAds <http://www.easyads.co.za>
Database of businesses with descriptions and e-mail contacts.
Bizassist <http://www.bizassist.co.za/barter.asp?Site=Barter>
This database consists of businesses offering services or products to one another without any cash changing hands. A cash value is attached to a bartering item only to enable another party to select an item of similar value to trade. Registration is required to make use of this service.

Engineering Directory <http://www.engnet.co.za/>
EngNet is an Engineering Directory, Buyers Guide & Search Engine - Designed by Engineers to benefit the Engineering Industry. EngNet enables you to source Engineering Products, Services and Companies.

Specifile on line <http://www.specifile.co.za/> - Information services to the building industry
Specifile is the leading supplier of information on building industry manufacturers and products in southern Africa.The Specifile Information Service is primarily aimed at professionals within the building industry and is utilised by some 11000 architects, quantity surveyors, consulting engineers, building and interior designers, property developers and import/export agents.

PulseNet <http://www.pulsenet.co.za/>
Find South African vendors for electrical and electronic products and view alphabetical list of vendors
SAEverything <http://www.saeverything.co.za/>
South African business portal.