From Mashable,
There will be times that you have to contribute a post for your company’s blog and you just don’t have one idea that inspires you to start a conversation. We’ve all been there and that’s why we’ve created this resource with more than 40 topics for corporate bloggers to help provide that much need inspiration:
See the List
Related Reading:
Blogging for Bliss: Crafting Your Own Online Journal: A Guide for Crafters, Artists & Creatives of all Kinds
The IT Girl's Guide to Blogging with Moxie
Blogging For Dummies