| 1 | INDX | Indelpro, S.A. de C.V. | 7/2000-7/2005 (not listed) | | NAKINA |
| 2 | INDX | Industrial Propane Supply, Inc. | added 10/1963; 7/1965-4/1970; eliminated 7/1974 | | NAKINA |
| 3 | INDX | Industrial Oil Corp. | 7/1935-4/1938 | | NAKINA |
| 4 | INDX | Industrial Oil Corp. | Apr-38 | | NRHS |
| 5 | INDX | Industrial Propane Supply, Inc. | 7/65-4/70; eliminated 7/74 | | NRHS |
| 6 | INDX | Indelpro, S.A. de C.V. | Jul-00 | | NRHS |
| 7 | INDX | *INDUSTRIAL OIL CORP. | | | PWRC |
| 8 | INDX | *INDUSTRIAL PROPANE SUPPLY, INC. | | | PWRC |
| 9 | INDX | +INDELPRO SA DE CV | | | PWRC |
| 10 | INDX | Indelpro de CV | | | RSRV |
| 11 | INDX | INDELPRO S A DE C V | | | SCAC4 |
