L
- NXS Forefront Inc.
- Labforge
- LabJack
- LabsLand
- LadyBug Technologies LLC
- Laird
- Laird Connectivity (LSR)
- Laird External Antennas / TE Connectivity
- Laird Thermal Systems
- Laird - Performance Materials
- Lamb Industries
- Lambda Nu
- Lambda Power / TDK
- Lantronix
- Lapis Semiconductor / ROHM Semiconductor
LAPIS Technology - LAPP
- Lascar Electronics
- Laser Technology, Inc.
- Lasertack GmbH
- Lattice Semiconductor
- LEA NETWORKS
- LEADER SOLAR CABLE AND CONNECTOR
- Leader Tech Inc.
- Leapcraft
- Lebow / Honeywell
- LeCroy (Teledyne LeCroy)
- LED Engin / ams OSRAM
- LED Lighting Inc.
- LeddarTech
- LEDdynamics, Inc.
- Ledex Dormeyer Saia
- Ledex / Johnson Electric
- - LEDiL
- LedLink Optics
- LEDQuant
- leetronics
- Lelon
- LEM USA, Inc.
- LEMO
- Lenord + Bauer
- Leopard Imaging Inc.
- Lepton (Teledyne FLIR)
- Leuze
- LEX System
- Libre Wireless Technologies
- LICAP Technologies
- Lighthorse Technologies Inc.
- Lighting Science
- LightWare LiDAR
- Lilliput Electronics USA
- Lime Microsystems
- Limited (Amphenol Pcd)
- LIMITLESS SHIELDING LIMITED
- Lin Engineering
- Lincoln Technology Solutions
- Linear Integrated Systems, Inc.
- Linear Technology (Analog Devices, Inc.)
- Link Labs
- Linklayer
- Linortek
- Linrose Electronics, Inc.
- Linx Technologies
- LiPPERT By ADLINK
- Liquid Instruments
- Litemax
- LITEON
- Littelfuse
- Littelfuse / Hartland Controls
- Littelfuse / IXYS Integrated Circuits Division
Littelfuse / IXYS RF - Lixie Labs
- LMB Heeger, Inc.
- Load Controls
- LoadSlammer
- Loadstar Sensors
- Lodestone Pacific
- LoggerFlex
- Logical Systems
- LogiSwitch
- Logitech
- LORD Microstrain
- Lorlin
- LORSER INDUSTRIES, INC.
- LOW PIM RF/Mobiyu Corporation
- Low Power Radio Solutions (LPRS)
- LPD TRADE INC
- LP-RESEARCH Inc.
- LS Research / Laird
- LSI/CSI
- LTD / Amphenol
- LTF Technology
- LTI (Laser Technology, Inc.)
- LTW (Amphenol LTW)
- Luckylight Electronics
- LulzBot
- Lumberg Automation
- Lumenite Control Technology, Inc.
- Lumentum
- Lumex, Inc.
- Lumileds
- Lumimax Optoelectronics Technology
- Luminary Micro/Texas Instruments
- Lumino
- Luminus Devices
- Lumissil Microsystems
- Luna Optoelectronics (Advanced Photonix)
- Lunasea Lighting
- Luxmux Technology Corp.
- Luxonis
- LUXTECH
- Lyn-Tron