- i-Joy
- iAudio
- Iberna
- Ibiza
- IBM
- IBP
- Ibroz
- Ices
- ICOM
- Icon
- ICT
- ICU
- IDK MULTIMEDIA
- Iee
- iFit
- IFM
- Igloo
- IGN
- Ignis
- Ignition
- iGo
- iHealth
- iHome
- IISONIC
- iiyama
- IKEA
- iLuv
- IMAGE LINE
- Imperii Electronics
- Indesit
- Indexa
- Indian
- InfiBrite
- INFICON
- Infiniti
- Infinity
- Infinix
- Infocus
- INFORAD
- INFOSEC
- Ingo
- Init
- Innova
- Innr
- INOVALLEY
- Inovonics
- iNOXPA
- Insignia
- InSinkErator
- Inspire
- INSTEON
- Integra
- Interacoustics
- Interlogix
- Intermatic
- International
- Interphone-Cellularline
- Intertherm
- Intex
- Invacare
- INVERTER
- Invicta
- iogear
- Iomega
- Ion Science
- IOTA
- Irai
- IRC
- IRIS
- iRiver
- iRobot
- Irox
- IT Works
- ITC
- Itech
- ITT
- ITT Goulds Pumps