- L-COM
- LACIE
- LACIE LIMITED
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- LCR ELECTRONICS
- LEACH INTERNATIONAL
- LEADER INSTRUMENTS
- LEDTECH
- LEDTRONICS
- LEEDS & NORTHRUP
- LEESON ELECTRIC
- LEGATO
- LEM
- LEMO
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- LENOVO
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- LESHAN RADIO
- LEUZE ELECTRONIC
- LEVITON VOICE & DATA
- LEXAR
- LEXMARK
- LFE
- LG ELECTRONICS
- LIAN-LI
- LIEBERT
- LIGHTING COMPONENTS AND DESIGN
- LIMITORQUE
- LIMITRON
- LIND ELECTRONICS
- LINEAR
- LINEMASTER
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- LITTLE BROWN AND COMPANY
- LOCTITE
- LOGIC CONTROLS
- LOGIC DEVICES
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- LOVE CONTROLS
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- LUFKIN / COOPER TOOLS
- LUMBERG
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- LYCOM
- LYON
Featured Products
- E-100BTX-FX-05(MT)
100BASE-TX to 100BASE-FX Media Converters Port 1: 100BASE-TX (RJ-45) [100 m] Port 
- E-TBT-FRL-05(SC)
10BASE-T to 10BASE-FL Media Converters Port 1: 10BASE-T(RJ-45) [100 m] Port 2: 
- J/RS232-CF-01
- Transition Just Convert-IT Stand-Alone Media Converter - Short-haul modem