Institution
- Library Association1
- Library of Congress. Congressional Research Service1
- Lighting Research Institute1
- Linacre College (University of Oxford)1
- Lincoln College (University of Oxford)1
- Lincoln TV Center1
- Linus Pauling Institute of Science and Medicine1
- Liston Scientific Corporation1
- Liston-Becker Corporation1
- Litton Medical Systems, Inc. 1
- Lockheed Martin1
- Lockheed Missiles and Space Company1
- Lockheed-Georgia Company1
- Los Alamos Scientific Laboratory1
- Louis Hegedus, LLC1
- Louisiana Power & Light Company1
- Louisiana State University Agricultural Center1
- Louisiana Tech University1
- Lubrizol Corporation 1
- Lucknow University1