There are a numer of affiliate marketing companies out there. Many carry a wide range of products. Here are some top affiliate companies.

ShareASale ~ carries a wide range of advertisers, close to 3,000, and a wide range of products. This is a great company to use for product sales.

LinkShare ~ LinkShare carries a wide range of advertisers and products and specializes in lead generation and product sales.

Amazon ~ Amazon carries a huge range of products. Though the payout is low because Amazon is so well known and trusted it is an excellent company to work with.

Clickbank ~ Clickbank offers digital products and is a very popular company to work with.