- HIDISC
- Hidizs
- HID屋
- higashi
- HIGH SIERRA
- HighLoop（スマホ）
- HIGHTIDE
- HIGUCHI
- Hijiru
- HIKARI
- HIKMICRO
- HIKSEMI
- Hill Stone
- Hinge
- HIRO
- HIROBA ZERO
- HIROFU
- HIROKO HAYASHI
- HISMILE
- HKW
- hLam
- HOBOT
- hoco.
- Hohem
- Hokonui
- HOKUTO
- HOLISTIC cures
- HOLLOOW
- HOLOSUN
- HOME COORDY
- Homerunpet
- Homia
- HomLead
- Honeywell
- HOODMAN
- Hosa Technology
- HOT BEAT
- Hot Box Sessions
- Hot+Cool
- HOTGUN