Names
- Louis E. Neuman & Company Litho3
- Louis Heltman Company3
- Louis de la Parte Florida Mental Health Institute3
- Louise, Merle3
- Louisville and Nashville Railroad Company.3
- Lovejoy, Frank, 1912-19623
- Lowry, Sumter de Leon, Jr., 1893-19853
- Lozano, Pendas, and Company3
- Luce Turnier, 1924-19943
- Luis Zamorano Gonzalez3
- Lukas, Paul, 1894-19713
- Luke, Keye, 1904-19913
- Luker, Rebecca3
- Lund, Art3
- Lundquist, Robert Joel , 1919-3
- Lykes Brothers Inc.3
- Lynde, Paul3
- Lyndeck, Edmund3
- Lynes, Kristi3
- Lyons, Gene, 1921-19743