| 1 | MCPX | Solutia Inc. | added 1/1998; 7/2000; eliminated 10/2004; 7/2005 (not listed) | | NAKINA |
| 2 | MCPX | Monsanto Co. | added 7/1964; 7/1965-1/1994; eliminated 1/1998 | | NAKINA |
| 3 | MCPX | Monsanto Chemical Co. | added 4/1962; eliminated 7/1964 | | NAKINA |
| 4 | MCPX | Mandan Creamery & Produce Co. (North American Car Corp.) | 7/1935 | | NAKINA |
| 5 | MCPX | Mandan Creamery & Produce Co. | 7/1932 | | NAKINA |
| 6 | MCPX | M.C. Peters Mill Co. | 8/1920-7/1923 | | NAKINA |
| 7 | MCPX | Monsanto Chemical Co. | added 4/62; eliminated 7/64 | | NRHS |
| 8 | MCPX | Monsanto Co. | added 7/64; 7/65-1/94; eliminated 1/98 | | NRHS |
| 9 | MCPX | Solutia Inc. | added 1/98; 7/2000 | | NRHS |
| 10 | MCPX | *M.C. PETERS MILL CO. | | | PWRC |
| 11 | MCPX | *MANDAN CREAMERY & PRODUCE CO. | | | PWRC |
| 12 | MCPX | +SOLUTIA INCORPORATED [(MONX) MONSANTO COMPANY] | | | PWRC |
| 13 | MCPX | +MICHAELS CORP. [MICHELS PIPELINE CONSTRUCTION, INC.] | | | PWRC |
| 14 | MCPX | Monsanto | | | RSRV |
| 15 | MCPX | SOLUTIA INC | | | SCAC4 |
