Jeremy Wright has a list of 40 Fortune 500 companies that use blogs internally and/or externally. He's contacting them for interviews for his upcoming book on business blogging.
Steve Rubel suggests that if the companies on the list were in a mutual fund they'd beat the S&P 500 over the next five years.
About BL Ochman B.L. Ochman, Managing Director of Emerging Media for Proof Integrated Communications, the digital marketing arm of Burson-Marsteller, has been helping Fortune 500 companies strategically incorporate new media into their marketing mix since 1996.