Solicitations › Department of the Interior › Departmental Offices

99--Notice Regarding Dept. of the Interior, IBC, AQD to close contracts.

Closed — responses were due 28 Sep 2026 · Unrestricted (full and open) · Departmental Offices, DOI · NAICS 561499 · Solicitation DOIDFBO260089

Solicitation details

Solicitation number	DOIDFBO260089
Notice ID	37b6ead5248945599a38f7ae350f3dcb
Agency	Department of the Interior (DOI)
Sub-agency	Departmental Offices
Contracting office	IBC ACQ SVCS DIRECTORATE (00004)
NAICS code	561499 — All Other Business Support Services
Product / service code (PSC)	9999
Set-aside	Unrestricted (full and open)
Notice type	Special Notice
Posted	14 September 2026
Response deadline	28 September 2026 (closed)

Description

The Department of the Interior, Interior Business Center (IBC), Acquisition Services Directorate (AQD) plans to proceed with the closeout of contracts in accordance with FAR 4.308. The contracts listed in the attachment have an expired period of performance, are fully invoiced, and have a remaining balance of zero dollars. This notice serves as advance notification to the vendors identified in the attached contract list regarding the upcoming closeout action. Unilateral contract closeout will begin ten business days after the posting of this announcement. If you prefer a bilateral contract closeout modification or have a valid reason why we should not proceed with the closeout, please contact the point of contact (POC) listed in this announcement before the closing date.

Documents in the solicitation package

1 file is attached to this notice.

Contract_List_Posting_14_September_2026_1.pdf

Download them from SAM.gov, or open the solicitation in FedSift to read them with page-cited analysis.

Go deeper on this solicitation

FedSift reads the full solicitation package — every attachment — and pre-extracts the compliance matrix, evaluation factors, key risks, win themes and deal-breakers, each with a verbatim quote and the exact PDF page it came from. It scores the opportunity against your company profile, tells you whether to bid as prime or sub, and ranks teaming partners who could close your gaps.

Open the AI analysis in FedSift →

Free forever plan — no credit card. Browse solicitations without an account; sign in for AI analysis and matching.

Market context: DOI and NAICS 561499

About the buyer and the industry, not this specific solicitation. Source: USASpending.gov award data, updated nightly.

In fiscal year 2026, DOI obligated $670K across 20 contract actions under NAICS 561499.
18 contracts worth $8.5M in this category end within the next 18 months.

DOI contracts under NAICS 561499 →

Other open solicitations in NAICS 561499

99--Notice Regarding Dept. of the Interior, IBC, AQD to close contracts.DOI · Due 12 October 2026

All NAICS 561499 solicitations →

More from Department of the Interior

Z--Bradbury Dam Outlet Valve ReplacementDOI · Due 06 October 2026
Hungry Horse Cavitation Repair Indefinite DeliveryDOI · Due 06 October 2026
F--AML PHYSICAL SAFETY HAZARD MITIGATIONDOI · Due 06 October 2026
53--AK-BETHEL ADMINISTRATIVE-WINDOW FRAMEDOI · Due 07 October 2026
Y--Rehabilitation of Water and Wastewater SystemDOI · Due 07 October 2026
Delta WH&B Facility HayDOI · Due 07 October 2026
R--Hein Online DatabaseDOI · Due 07 October 2026
WI-FWS UPR MS RIV NATL-HERBICIDE TREATMENT AT BRICDOI · Due 07 October 2026

All DOI solicitations →

Source: this notice on SAM.gov. FedSift republishes public federal procurement data and is not affiliated with the U.S. Government. Always confirm dates and requirements against SAM.gov before responding.