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DEPT OF DEFENSE | DEPT OF THE NAVY has floated a tender for Notice of Modification to Contract N0018921DZ043. The project location is USA and the tender is closing on 10 Jan 2026. The tender notice number is N0018921RZ008, while the TOT Ref Number is 133403159. Bidders can have further information about the Tender and can request the complete Tender document by Registering on the site.
Procurement Summary
Country: USA
Summary: Notice of Modification to Contract N0018921DZ043
Deadline: 10 Jan 2026
Posting Date: 09 Jan 2026
Other Information
Notice Type: Tender
TOT Ref.No.: 133403159
Document Ref. No.: N0018921RZ008
Financier: Self Financed
Purchaser Ownership: Public
Tender Value: Refer Document
Purchaser's Detail
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Login to see detailsTender Details
The purpose of this posting is to provide notice of the Governments intent to increase the ceiling value of Contract N0018921DZ043. This is a sole source action to be awarded as a modification to an existing Single Award Indefinite Delivery, Indefinite Quantity Firm-Fixed-Price D type contract, N00189-21-D-Z043, to increase the ceiling value of the contract to allow additional orders to be issued prior to the end of the contract. The ordering/performance period of the contract remain unchanged and will end on 31 August 2026. The requirement will remain unchanged.
This is not a request for proposals or capability statements.
The follow-on contract to N0018921DZ043 has already been solicited.
Solicitation N0018925RZ115 for Engineering and Technical Support Services for ONI was solicited on 24 July 2025 and closed on 25 August 2025. Additional information, proposals, capabilities statements, etc. are not requested and will not be reviewed as the solicitation window for the follow-on has closed. The follow-on contract to N00189-21-D-Z043 will be awarded prior to 31 August 2026.
This notice closes on 9 January 2026 at 12:00 PM EST.
Notice ID: n0018921rz008
Department/Ind. Agency: dept of defense
Sub-tier: dept of the navy
Office: navsup flt log ctr norfolk
NAICS Code: 541618 - Other Management Consulting Services
Inactive Dates: jan 10, 2026
Inactive Policy: manual
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