Valhi Inc $1,706,243 Kronos Worldwide Inc $11,138,366 Compx International Inc $8,701,718 Nl Industries Inc $7,758,711 Keystone Consolidated Industries Inc $0 Valhi Inc $1,706,243 Kronos Worldwide Inc $11,138,366 Compx International Inc $8,701,718 Nl Industries Inc $7,758,711 Keystone Consolidated Industries Inc $0