The Enterprise Mobility Suite is now Enterprise Mobility + Security and is available in E3 and E5 flavours. This is a useful page to find out the components of each suite and the business problems they solve: http://bit.ly/2e4hA2E.
Refer to page 53 of the October 2016 Product Terms document to see the User SLs available (Full, Add-on and From SA) and their availability in the different Volume Licensing programs.