I
- iRulu
- IKEA
- IMAX
- Intermatic
- Invicta
- IBM
- Ideal
- ICC
- Imperial
- Intermec
- ITE
- ITT
- Innova
- Inova
- International Caravan
- Intex
- IRIS
- Icon
- IMC
- International
- Infiniti
- Ibanez
- Ihagee
- ILFORD
- Image
- International Silver
- InnerSpace
- Iceberg
- INC International Concepts
- IZOD
- IMAN
- ICY DOCK
- Imation
- Integral
- Intel
- Intenso
- ITOYA
- Insight
- Icom
- Innovations
- Insignia
- Ikan
- Iwata
- International Rectifier
- Intrupa
- Ikon
- Izzo Golf
- iHip
- iLive
- iLuv
- IOGEAR
- Imacon
- Ideology
- Isaac Mizrahi
- Island Escape
- ISIS
- Irwin
- IK
- ICP
- Innovera
- Ikegami
- iSonic
- Icy Hot
- Interfit
- Incra
- IIT
- i-mate
- Incipio
- iOttie
- iWorld
- Ikelite
- Intova
- iConcepts
- Islander
- InFocus
- Init
- Inland
- InLine
- INSTEN
- iFi Audio
- Innovage
- InVion
- Impressions
- Indigo
- INHABIT
- Innovation
- Inspire
- IBRA
- iQ
- Island Heritage
- iOptron
- Impossible
- iGadgitz
- Iview
- Intellinet
- Impac
- Imodium
- Inspiration
- i-Blason
- IFS
- Isco
- INDURO
- Isaac
- Iscorama
- iCarez
- Inkpress
- iClever
- Ivation
- ISK Optics
- iShoot
- INON
- Indigi
- INCA
- ISAW
- iScope
- iKross
- IDX
- IDC
- Iwaki
- Infinite
- iWALK
- iBOLT
- I-O DATA DEVICE, INC.
- ITC
- iPro
- iMounTEK
- Inovativ
- Ice Blue
- InnoDisk
- Industrial Revolution
- InnoGear
- IEI
- IMPECCA
- Irix