Is this what you’re looking for?
http://code.djangoproject.com/wiki/DjangoSuccessStories
Or are you looking for this list? https://www.djangosites.org/
Here are Django powered sites in rating order: https://www.djangosites.org/highest-rated/
How about Django sites focused on “business”: https://www.djangosites.org/tag/business/ is that “Enterprise” enough?
We do econometric data processing with Django. High volume transactions. Is that “enterprise” enough?