Affiliations with the Letter L
- La Trobe University -- Australia
- Lab Quality -- Denmark
- Laboratoire Associe INRA -- France
- Laboratoire Nacional de Métrologie et d'Essais -- France
- Laboratory of Government Chemists, Ltd. -- United Kingdom
- Lanxess -- Germany
- Lanxess Deutschland GmbH -- Germany
- Lappeenranta University of Technology -- Finland
- Lawrence Berkeley National Laboratory -- United States
- LDD Technologies -- Israel
- Lead Data, Inc. -- Taiwan
- Lebensmitteluntersuchungsanstalt -- Austria
- Leibniz Institute for Baltic Sea Research -- Germany
- Leibniz Institute of Polymer Research -- Germany
- Leibniz-Institut für Analytische Wissenschaften - ISAS - e.V. -- Germany
- Leiden University -- Netherlands
- Leiden University Medical Center -- Netherlands
- LG Chem -- United States
- LG Chemical Co., Ltd. -- Korea
- LGC, Ltd. -- United Kingdom
- Lincoln College -- United Kingdom
- Linköpings Universitet -- Sweden
- Lipideon Biotechnology AG -- Switzerland
- Lleida University -- Spain
- Lomonosov Moscow State University -- Russia
- Los Alamos National Laboratory -- United States
- Loughborough University -- United Kingdom
- Louisiana State University -- United States
- Louisiana State University Medical Center -- United States
- Lubrizol Advanced Material, Inc. -- United States