Valhi Inc $1,706,243 Kronos Worldwide Inc $10,464,264 Compx International Inc $8,629,474 Nl Industries Inc $7,431,473 Keystone Consolidated Industries Inc $0 Valhi Inc $1,706,243 Kronos Worldwide Inc $10,464,264 Compx International Inc $8,629,474 Nl Industries Inc $7,431,473 Keystone Consolidated Industries Inc $0