Institution
- Lockheed Missiles and Space Company1
- Lockheed-Georgia Company1
- Los Alamos Scientific Laboratory1
- Louis Hegedus, LLC1
- Louisiana Power & Light Company1
- Louisiana Tech University1
- Lubrizol Corporation 1
- Lucknow University1
- Lycée Français de New York1
- M and M TV Clinic1
- M. Day Consulting1
- MIT Center for Cancer Research1
- MSU/NIH Mass Spectrometry Facility1
- Macalester College1
- Magnavox Corporation1
- Magnolia Petroleum Company1
- Magyar Tudományos Akadémia1
- Mallinckrodt Chemical Works (Saint Louis, Mo.)1
- Manchester College1
- Manhattan College1