L
- Lear Chemical Research
- Lee Fisher International
- Legend Valve
- Leggett & Platt
- Leland Gas
- Lenco Marine
- Lewmar Marine Ltd.
- LFS
- Liberty Glove & Safety
- BoatLife
- Lifesling
- Lifetime Products Inc
- Light My Fire of Sweden
- Lighthouse Lures
- Lippert Components
- Loadstar
- Lofrans
- Loomis Plastics
- Lowrance
- LPS Laboratories
- Lubri-Lab
- LubriMatic
- Luhr-Jensen & Sons
- Lumitec Lighting
- Lutz
- LuxPro
- Lyman Pearson
- Lectrotab
- Liquid Wrench
- Lasalle-Bristol Corp
- Let's Go Aero