There are some popular styles of real traditional Japanese Jujutsu which also has International presence, but still headquartered in Japan.

Such as:

Fusen-ryu Jujutsu

Daito-ryu Aikijujutsu

Hakko-ryu Jujutsu

Hontai Yoshin-ryu Jujutsu

Kukishin-ryu

Takagi-ryu Jujutsu

Takenouchi-ryu Jujutsu

Sosuishi-ryu Jujutsu

Kito-ryu Jujutsu

Tenjin Shinyo-ryu Jujutsu

Gyakutedo (the style I practice)

Yagyu Shingan ryu

Daiwado Jujutsu

There are many more 🙋‍♂️🙇‍♂️🇯🇵🙋‍♂️