Just 1.2% of Fortune 500 companies have public, external blogs, according to Rick Bruner. He lists the following:

And asks if anyone can provide other examples. Here’s one:

I’d love to hear about others as well. Here is a free listing of the complete Fortune 500 as of a year ago. Oh, and courtesy of Jeremy Wright, a listing of about 40 Fortune 500’s who are blogging in some way, externally or internally. Doesn’t include links to their blogs.

This just in: info from Belgium-based IBMer Philippe Borremans about IBM’s 2,800 internal blogs. He provides a screenshot of his internal IBM blog: