Office 365 licenses with email 

Intermedia offers five types of Office 365 licenses with email:
Business Essentials
Business Premium
Exchange Online
Enterprise E1
Enterprise E3
Licenses with email

Office 365 licenses without email 

Intermedia offers four types of Office 365 licenses without email:
Project Professional Online 
Visio Pro
Licenses without email

Visio or Project are optional licenses and they should be purchased separately.
The number of licenses is unlimited for Visio Pro and Project Online Professional.