Brands
- Jemco
- Jim-Pak
- Jinshengyuan
- Johnson
- Joslyn Clark
- JRC
- KEC
- Keen Ocean
- Kemet
- Kendall / Curity
- Kenwood
- Keyence
- Kings
- Kingston
- KJT
- Klixon
- KNF
- KOA Speer
- Kodenshi
- Koike
- Kurman
- Kurt J. Lesker
- Kyocera
- L-Com
- Lab Impex Systems
- Laird Signal Integrity Products
- LATTICE
- Lattice Semiconductor
- Laube
- Lee Spring
- Leeds & Northrup
- Legrand
- LEMO
- Leviton
- Licon
- Line Electric Company
- Linear Technology
- Linemaster
- Linfinity
- Linrose Electronics
- LIQUA-SENSE
- Lite-On Semiconductor
- Lithonia Lighting
- Littelfuse
- LMI Milton Roy
- Longwell
- Loos & Co.
- LTE
- Luxeon III
- Macronix
- Magnecraft
- Magnetrol
- Malco
- Malco Microdot
- Mallory
- Manitou
- Marsh
- Martor
- Matrox
- Maxim
- MBI Mar-Bal
- MBL - Synchrostar
- McMaster -Carr
- MDEXX
- Megawin
- Melcher
- Meltric
- MEPCO/Centralab
- Merit Abrasives
- Meritek
- Metcal OKI
- Methode Electronics
- Mial
- Micrel
- Micro Quality Semiconductor
- Micro Switch
- Micro-Ohm
- MICROCHIP
- Microchip Technology
- MICRON TECHNOLOGY
- Microsoft
- MICROSYSTEMS INTERNATIONAL LTD
- Microtech, Inc.
- Mikrohn Semipack
- Mini-Box
- Mini-Circuits
- Misumi
- Mitel
- Mitsubishi
- MKS Instruments
- MMI
- Modutec
- Moeller
- Molex
- Monitronics
- MOSEL
- Mostek
- Motorola
- MPL
- MRC
