Total of 25 people. Spies will be shown occasionally. So there will be 20 members in his main guild. I think that this number is manageable as most of the time they'll be on missions.
You can see Conqueror guild mark on my profile.
Final List of Naruto's Guild Member
1. Siegrain (Rave Master)
2. Unohana (Bleach)
3. Kurei (Flames of Recca)
4. Dante (Devil May Cry)
5. Lexie (Female Laxus)
Spies or Hidden Members
01. Zoro (One Piece)
08. Sakura Kinomoto (Card Captor Sakura)
12. Rias Gremory (High DXD)
14. Toshiro (Bleach)
15. Esdeath (Akame ga kill)
Written by : NarutoTheTrueLegend