- HB&G
- HBC-radiomatic GmbH
- HBEZON
- HBH
- HBM
- HBN
- HBopeners
- HBS
- HBX
- HC Cargo
- hc-cargo
- HCI
- HCL
- HCL ME TABLET
- HCS
- HCS (Suzhou)
- HCT
- HD
- HDanywhere
- HDBaseT
- HDCVT TECHNOLOGY
- HDE
- HDFury
- HDG
- HDI
- HDI Dune
- HDigit
- HDJ WIRELESS ENTERPRISE
- HDL
- HDMI
- HDR Soft
- HDview
- HDX
- HE-VA
- HEAD
- HEAD WATCHES
- Headphones
- HeadRoom
- HeadRush
- Headsets
- HEADSOUND GLOBAL
- headway