United States (USA) (US)

Lantheus Medical Imaging Industry / private company Billerica, MA Large Synoptic Survey Telescope Research facility Cerro Pachón, Coquimbo Las Cumbres Observatory Global Telescope Network (LCOGT) Research facility Goleta, CA Laser Interferometer Gravitational-Wave Observatory (LIGO) Research facility Livingstone & Hanford La Sierra University University / College Riverside, CA Laureate Institute for Brain Research Research facility Tulsa, OK Lawrence Berkeley National Laboratory (LBNL) Research facility Berkeley, CA Lawrence General Hospital (LGH) Hospital Lawrence Lawrence Livermore National Laboratory Research facility Livermore, CA LeapYear Technologies Industry / private company San Francisco