USDA - source of many odd local rumors about secret activities, black vans coming and going during the night, heavily armed guards refusing access to local fire departments, and even trees mysteriously blowing up in broad daylight along Mermaid Lane.
USDA-ARS Eastern Regional Research Center, one of four regional labs built in the late 1930's. The others are in Peoria, IL., Albany, CA., and New Orleans, LA.