Eric, Here is a list of large corporatings using ColdFusion MX--I don't know if that helps: http://www.macromedia.com/software/coldfusion/showcase/live/
And here are more companies using CF in general: http://dynamic.macromedia.com/bin/MM/showcase/scripts/showcase_cs_listing_by_query.jsp?product=ColdFusion&batchStart=21 (these are case studies which will help you pick for your case) Amy Wong | Macromedia | Designer & Developer Center | www.macromedia.com/desdev/ | 617.827.4388