Solicitations › Department of the Interior › Departmental Offices

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

Open — responses due 12 Oct 2026 (7 days left) · Unrestricted (full and open) · Departmental Offices, DOI · NAICS 561499 · Solicitation DOIDFBO260096

Solicitation details

Solicitation number	DOIDFBO260096
Notice ID	b1800ca691fd49b280dcca1bc85b9201
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	29 September 2026
Response deadline	12 October 2026

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_28_September_2026_1.pdf

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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 →

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