Service Corp International
 $4,560,156 Halliburton Co
 $1,055,565 Introgen Therapeutics Inc
 $0 Aecom Technology Corp
 $426,656 Service Corp International
 $4,560,156 Halliburton Co
 $1,055,565 Introgen Therapeutics Inc
 $0 Aecom Technology Corp
 $426,656