Seed.com – No application required.  The site is owned by AOL.com.  Articles written feed other AOL sites and clients of Seed.  Titles are posted with the word count and payment.  Payment ranges from $10 for short articles, as in 100 words,  to over $200 per article. Some articles require in-depth research and/or interviews with experts. [...]

Constant Content http://www.constant-content.com You have to apply, provide a writing sample and be accepted to provide articles to Constant Content. Edited to Add:  I checked the site today and saw that no application is required.  You fill in a short form with your name address, phone number and so forth.  There is a short 5 [...]