YORK RESEARCH CORP of NEW YORK, NY filed a DEF 14A with the SEC on 1998-09-16. Industry: Cogeneration Services & Small Power Producers.
| Filed | Form |
|---|---|
| 2001-06-21 | DEF 14A |
| 1999-06-16 | DEF 14A |
| 1998-09-16 | DEF 14A |
| 1998-09-16 | PRE 14A |
| 1997-06-17 | DEF 14A |
| 1996-05-09 | DEF 14A |
| 1995-06-15 | DEF 14A |