I
- Altera / Intel
- I W Tremont
- i2s / Amphenol
- IAC Industries
- IAR Systems Software Inc
- iBASE Technology
- IC3D Printers
- ICE Components
- ICOMTECH, INC.
- ICOWORKS
- ICP DAS USA Inc.
- Ideal Power
- Ideal-tek
- IDEC
- IdentaZone Inc.
- IDI / Smiths Interconnect
- IDT (Renesas Electronics Corporation)
- iEi Technology
- IET Labs
- iFixit
- ifm Efector
- Ignion
- Igus, Inc.
- II-VI
- IK Semicon
- Ikalogic
- iKey, Ltd.
- Illinois Capacitor (Cornell Dubilier Electronics)
- ILLUMRA
- ILSI
- ilumi
- ILUMINAR Lighting
- Images SI, Inc.
- Imagination Supply Co
- iMakr
- iMD
- Imperix
- IMS Connector Systems
- InchMetric Tool Company
- Indium
Industrial Fiber Optics, Inc.- Industrial Magnetics, Inc.
- Industrial Safety Controls, Inc.
- Industrial Shields
- Industrial Video & Control
- IndustrialeMart
- IndustrialSupplies.com
- Industruino
- INEED MOTOR
- Infineon Technologies
Industrial Fiber Optics, Inc.- INFINITY FIBER
- Infiray
- Inforce Computing
- Initial State Technologies, Inc.
- Inno Instrument
- Innodisk
- Innolux
- InnoPhase
- InnoSenT GmbH
- Innovasic Semiconductor / Analog Devices, Inc.
- Innovative Sensor Technology
- Innovisionsemi
- Inolux
- INPAQ Technology Co., Ltd.
- Inpixon
- InPlay
- iNRCORE
- Insight SiP
- Insignis Technology Corporation
- INSIZE
- Inspired LED
- Instant Pot
- INTAMSYS
- Integra Enclosures
- Integra Optics
- Integra Technologies
- Integrated Device Technology (IDT)
Integrated Device Technology (Renesas Electronics Corporation) - Integrated Power Designs
- Integrated Silicon Solution, Inc. (ISSI)
- Intel
- Intelligenate
- Intelligent Memory Ltd.
- Intelligent Technology Trade
- Intematix
- InterCon Systems (Amphenol Communications Solutions)
- Interconnect Systems - Molex
- Intercontec / TE Connectivity
- InterFET
- Interlight
- Interlink Electronics
- International Components Corporation.
- International Power DC Power Supplies
- International Test Instruments Corporation
- Interpower
- Intersil (Renesas Electronics Corporation)
- Intrinsyc
- Introspect Technology
- Intwine Connect LLC
- InvenSense/TDK
- Inventchip Technology
- Inventek Systems
- Inventronics
- Inventus Power
- In-Position Technologies
- Io Audio Technologies
- Ionissimo / Murata
- IOT747
- IoTeX
- IoThink Solutions
- IoTize
- IOT-BOTS.COM
- Iowa Scaled Engineering
- iP-Solutions
- IQD Frequency Products
- IRC / TT Electronics
- IRISO Electronics
- IRTOUCH Systems Co., Ltd.
- Isabellenhütte
- ISC
- ISI / Molex
- ISL Products International
- Isocom Components
- Isotope Engineering
- Iso-Tip
- itbrainpower.net/R&D Software Solutions
- ITECH ELECTRONIC
- Iteco
- ITG Electronics, Inc.
- ITT Interconnect Solutions (ITT Cannon)
- ITW Chemtronics (Chemtronics)
- ITW LINX
- ITW Switches
- iVativ Inc.
- IVC Displays, Inc.
- iWave Systems
- IXYS
- IXYS / Littelfuse
IXYS Integrated Circuits Division
IXYS RF - I-PEX
- I-SYST
- I.F. Engineering Corp. and CrossPoint Technologies
- I/O Interconnect