I can't say for sure how many affiliate companies are out there. It is so much and many of them just carry the name "affiliate", and have nothing good about them than the name.
There services are boring, and payment type are all full of corruption.
Some do not have a good number of advertisers and so as a publisher, you end up displaying one single advert for your visitors through out month a month, or even worse.
A proper guide is need here to aid you in your choice of affiliate companies to join. Yes, companies I say. You can join more than an affiliate company. However you need to read and understand the terms and conditions of service for the affiliate company you had like to chose.
You probably may have heard of ebay, amazon, google, Obeus, bidvertiser, copeac, linkshare, vertical response, Bravenet or Bravehost, Godaddy, CJ, and many more.
Now I will allow you to find others, while I say some key point you should note for the companies.
Amazon makes it very easy for you, infact with amzon, you can creat you own amazon store, where you sell anything you chose to. A programming knowledge is not required.
With Google.com/adsene, you everything even most simplified at www.wikidot.com and www.blogger.com. If you have a website account with any of the two companies I mentioned above, you will not even see the code for your advert, which in few months will be generating thousands for you if you work smart.
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