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ZIGO: Zygo Corporation,
Industry: Scientific & Technical Instruments
SUPERVALU Inc : SVU
Industry: Grocery Stores
WMCO:Williams Controls
Industry: Auto Parts
SONC:Sonic Corp
Industry: Restaurants
DVD:Dover Motorsports
Industry: Sporting Activities
SHLM: A. Schulman
Industry:Rubber & Plastics
YORW: The York Water Company
Industry:Water Utilities
JCS: Communications Systems
Industry:Communication Equipment
ISCA: International Speedway
Industry:Sporting Activities
