FCC Registration Number

FRN 0007835572

TWENTY GRAND MARINE SERVICE, L.L.C.

CORES registration

Entity name: TWENTY GRAND MARINE SERVICE, L.L.C.
Entity type: Private Sector , Limited Liability Corporation
Registration date: 2002-10-22
FCC source updated: 2004-04-15
Contact organization: Tidewater Inc.
Contact position: LegalVessel Documentation
Contact name: Mrs Susan H Walgamotte
Contact address: 601 Poydras Street, Suite 1900, New Orleans, LA 70130, United States
Contact email: [email protected]
CORES status: available
Last checked: 2026-08-01 17:48:39

Connected companies

Company	Relationship	Source	Confidence
TWENTY GRAND MARINE SERVICE INC	registrant	CORES	100.0%
TWENTY GRAND MARINE SERVICE INC	licensee	ULS	100.0%

Public regulatory phone numbers

Number	Contact	Source	Confidence
(504) 568-1010	Mrs Susan H Walgamotte LegalVessel Documentation	CORES	100.0%

ULS licenses

Grant date	Call sign	Service	Status	Licensee
2017-06-27	WDD9583	SB	A	Twenty Grand Marine Service, LLC
2015-01-28	WTIE	SB	T	TWENTY GRAND MARINE SERVICE, L.L.C.
2014-03-26	WDH3895	SB	E	Twenty Grand Marine Service, L.L.C.
2014-03-18	WNSF	SB	T	TWENTY GRAND MARINE SERVICE, L.L.C.
2013-04-24	WAHQ	SB	T	TWENTY GRAND MARINE SERVICE, L.L.C.
2013-04-24	WQAU	SB	T	TWENTY GRAND MARINE SERVICE, L.L.C.
2013-04-24	WDG7881	SB	C	TWENTY GRAND MARINE SERVICE, L.L.C.
2013-02-07	WDB3673	SB	E	TWENTY GRAND MARINE SERVICE LLC
2007-09-14	WDD9584	SB	C	Twenty Grand Marine Service, L.L.C.
2007-09-05	WDD9455	SB	E	Twenty Grand Marine Service, L.L.C.
2005-03-15	WDC4424	SB	E	TWENTY GRAND MARINE SERVICE, L.L.C.
2004-08-19	WDB9232	SB	C	TWENTY GRAND MARINE SERVICE, L.L.C.
2004-08-18	WDB9201	SB	C	TWENTY GRAND MARINE SERVICE, L.L.C.
2004-05-19	WDB7879	SB	C	TWENTY GRAND MARINE SERVICE, L.L.C.
2004-03-31	WDB7060	SB	C	TWENTY GRAND MARINE SERVICE, L.L.C.
2004-02-10	WDB6421	SB	C	TWENTY GRAND MARINE SERVICE, L.L.C.
2003-04-17	WDB3675	SB	C	TWENTY GRAND MARINE SERVICE LLC
2003-04-17	WDB3674	SB	C	TWENTY GRAND MARINE SERVICE LLC
2003-04-17	WDB3676	SB	C	TWENTY GRAND MARINE SERVICE LLC
2003-04-17	WDB3677	SB	C	TWENTY GRAND MARINE SERVICE LLC
2002-11-13	WDB2267	SB	C	TWENTY GRAND MARINE SERVICE, L.L.C.
1998-06-22	WUW9619	SB	C	TWENTY GRAND MARINE SERVICE INC
1998-06-22	WUW9640	SB	C	TWENTY GRAND MARINE SERVICE INC
1995-05-23	WYZ2531	SB	C	TWENTY GRAND MARINE SERVICE INC
1995-01-12	WYQ7925	SB	C	TWENTY GRAND MARINE SERVICE INC
1994-12-22	WYA6545	SB	C	TWENTY GRAND MARINE SERVICE INC
1994-10-31	WQZ9348	SB	C	TWENTY GRAND MARINE SERVICE INC
1994-10-24	WQZ7380	SB	C	TWENTY GRAND MARINE SERVICE INC

Source provenance

System	Record	Recorded name	Raw FRN	Observed
CORES	0007835572	TWENTY GRAND MARINE SERVICE, L.L.C.	0007835572	2026-08-01 17:48:39
ULS	00ad00942ece32f26704c17f4d96004f9190771d1c1bfea26b59e53cd4c5d31e	TWENTY GRAND MARINE SERVICE, L.L.C.	0007835572	2026-08-01 17:48:15

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