HOWELL CORP /DE/ of HOUSTON, TX filed a DEF 14A with the SEC on 1998-03-25. Industry: Crude Petroleum & Natural Gas.
Showing 12 of 15 filings.
| Filed | Form |
|---|---|
| 2002-11-07 | DEFA14A |
| 2002-11-07 | DEFM14A |
| 2002-10-30 | DEFA14A |
| 2002-10-15 | PREM14A |
| 2002-09-30 | DEFA14A |
| 2002-09-30 | DFAN14A |
| 2002-03-13 | DEF 14A |
| 2001-03-21 | DEF 14A |
| 2000-03-22 | DEF 14A |
| 1999-03-25 | DEF 14A |
| 1998-03-25 | DEF 14A |
| 1997-09-04 | DEFM14A |