ON MARINE SERVICES CO

Related Filers (31)

Ownership (22)

SC 13G/A
Tuesday, 2/11/2003
DIMENSIONAL FUND ADVISORS INC: Major Shareholders
SC 13G/A
Tuesday, 2/12/2002
DIMENSIONAL FUND ADVISORS INC: Major Shareholders
SC 13G/A
Thursday, 2/17/2000
KEY TRUST CO OF OHIO NA: Major Shareholders
SC 13G
Tuesday, 2/15/2000
KEY TRUST CO OF OHIO NA: Major Shareholders
SC 13G/A
Wednesday, 3/17/1999
WARBURG PINCUS ASSET MANAGEMENT INC: Major Shareholders
SC 13D
Wednesday, 3/3/1999
PORTER FELLEMAN INC: Major Shareholders
SC 13G
Thursday, 2/11/1999
DIMENSIONAL FUND ADVISORS INC: Major Shareholders
SC 13G/A
Friday, 2/13/1998
HUNTINGTON NATIONAL BANK: Major Shareholders
SC 13D/A
Wednesday, 12/31/1997
ARIES HILL CORP: Major Shareholders
SC 13D/A
Tuesday, 7/15/1997
WEIL JOHN D: Major Shareholders
SC 13D/A
Friday, 5/30/1997
ARIES HILL CORP: Major Shareholders
SC 13D
Friday, 5/2/1997
BARR DOUGLAS N: Major Shareholders
SC 13G/A
Friday, 2/14/1997
HUNTINGTON TRUST CO N A: Major Shareholders
SC 13G/A
Friday, 2/14/1997
KEYCORP /NEW/: Major Shareholders
SC 13G
Thursday, 2/13/1997
DIMENSIONAL FUND ADVISORS INC: Major Shareholders
SC 13G
Tuesday, 1/14/1997
WARBURG PINCUS COUNSELLORS INC: Major Shareholders
SC 13D
Thursday, 3/7/1996
MACTIER JAMES ALLAN: Major Shareholders
SC 13D/A
Wednesday, 2/28/1996
GREAT NORTHERN IRON ORE PROPERTIES: Major Shareholders
SC 13G/A
Wednesday, 2/14/1996
HUNTINGTON TRUST CO N A: Major Shareholders
SC 13G/A
Wednesday, 2/14/1996
KEYCORP /NEW/: Major Shareholders
SC 13D/A
Tuesday, 1/16/1996
GREAT NORTHERN IRON ORE PROPERTIES: Major Shareholders
SC 13D/A
Wednesday, 12/13/1995
GREAT NORTHERN IRON ORE PROPERTIES: Major Shareholders
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