| 1 | LAFX | Lafarge North America Inc. | added 4/2005; 7/2005 | | NAKINA |
| 2 | LAFX | Lafarge Corp. | added 1/1993; 1/1994-7/2000; eliminated 4/2005 | | NAKINA |
| 3 | LAFX | Peterson Manufacturing Co. | 7/1937-4/1947 | | NAKINA |
| 4 | LAFX | Peterson Manufacturing Co. | Apr-38 | | NRHS |
| 5 | LAFX | Lafarge Corp. | added 1/93; 1/94-7/2000 | | NRHS |
| 6 | LAFX | *PETERSON MANUFACTURING CO. | | | PWRC |
| 7 | LAFX | +LAFARGE NORTH AMERICA INC. [LAFARGE CORPORATION] | | | PWRC |
| 8 | LAFX | Lafarge Corporation | | | RSRV |
| 9 | LAFX | LAFARGE NORTH AMERICA INC | | | SCAC4 |
