Net worth: $85 million

While Timbaland hasn’t had the most expansive of rap careers, his production career goes unrivaled. Timbaland produced almost all of Justin Timberlake’s albums, and has also produced for the likes of Jay Z, Nas, and Drake. With his vast production resume, as well as a record label to his name, it's easy to see why Timbaland comes in at 18 on this list.