United States (USA) (US)

Laboratory X-Ray Astrophysics Research facility Palo Alto, CA LAC+USC Medical Center Hospital Los Angeles Lafayette College University / College Easton, PA Lahey Hospital & Medical Center Hospital Burlington, MA La Jolla Institute for Immunology Research facility San Diego, CA Lakewood Ranch Cancer Center Research facility Lakewood Ranch, FL Lamont-Doherty Earth Observatory Research / Science organisation Palisades (NY) Lam Research Industry / private company Fremont, CA Langley Research Center (LaRC) Research facility Hampton, VA Lankenau Institute for Medical Research (LIMR) Research facility Philadelphia, PA