I haven't heard of Grain Corp. I have heard that Archer Daniels Midland is the largest trader of crop futures. They are ADM: http://en.wikipedia.org/wiki/Archer_Daniels_Midland
The ticker symbol is CCC.
The ticker symbol for Toshiba Corp is TOSBF.PK
Sticker symbol is XOM for the Exxon corp.
The ticker symbol for AES Corp. is AES and it trades on the New York Stock Exchange.
The ticker symbol for Echostar Corporation is SATS and it is traded on the NASDAQ.
The ticker symbol for Universal Display Corp is PANL and it is traded on the NASDAQ.
Prior to the merger, the ticker symbol was XON.
BKMU
The ticker symbol for Aon Corp. is AOC and it is traded on the New York Stock Exchange.
The ticker symbol for Zale Corp. is ZLC and it is traded on the New York Stock Exchange.
The stock symbol for 3 Comm Corp is COMS and it trades on the NASDAQ.
Theh ticker symbol for CSX Corp. is CSX and it is traded on the New York Stock Exchange.