Valhi Inc $1,706,243 Kronos Worldwide Inc $10,715,093 Compx International Inc $8,517,497 Nl Industries Inc $7,072,567 Keystone Consolidated Industries Inc $0 Valhi Inc $1,706,243 Kronos Worldwide Inc $10,715,093 Compx International Inc $8,517,497 Nl Industries Inc $7,072,567 Keystone Consolidated Industries Inc $0