- Lou Serafini Jr.
- Lou Sokolovskiy
- Lou Tseng
- Lou-Bob Overview
- Lou-Tec Overview
- Loud and Live Overview
- Loud Beverage Group Overview
- Loud&Clear Overview
- LoudCloud Systems Overview
- Loudeye Overview
- Loudon County Trucking Overview
- Loudoun Anesthesia Associates Overview
- Loudoun Communications Overview
- Loudoun School Overview
- Loudoun Times-Mirror Overview
- Loudpack Overview
- Loudr Overview
- Louella Stone
- Louhinta-Käänta Overview
- Louis Allis Overview
- Louis Amato-Gauci
- Louis Aurelio
- Louis Bailey
- Louis Barbieri III
- Louis Berg
- Louis Berger Services Overview
- Louis Black
- Louis Bouchez
- Louis Bouchez
- Louis Brotherton
- Louis Carmino Talarico III
- Louis Casey
- Louis Champion
- Louis Charalambous
- Louis Choy
- Louis Conti
- Louis Cytrynbaum
- Louis De Gabriele
- Louis De Gaulle
- Louis De Geer