Valhi Inc $1,706,243 Kronos Worldwide Inc $10,793,477 Compx International Inc $8,376,622 Nl Industries Inc $7,695,375 Keystone Consolidated Industries Inc $0 Valhi Inc $1,706,243 Kronos Worldwide Inc $10,793,477 Compx International Inc $8,376,622 Nl Industries Inc $7,695,375 Keystone Consolidated Industries Inc $0