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

The Department of the Interior, Interior Business Center, Acquisition Services Directorate is closing 17 contracts in accordance with FAR 4.308, with unilateral closeout beginning ten business days after the August 3, 2026 posting—around August 15, 2026. All contracts listed carry expired periods of performance, are fully invoiced, and have zero remaining balance.

Vendors identified in the contract list may request bilateral closeout modification or present valid reasons to halt the closeout process by August 17, 2026. The largest contracts undergoing closeout include ACUMEN LLC (obligated $34.6 million; total value $52.9 million, Time and Materials, through March 26, 2026), GUIDEHOUSE DIGITAL LLC ($31.1 million obligated; $31.3 million total, Time and Materials, through March 12, 2026), and STG INTERNATIONAL INC. (two contracts totaling $52.3 million obligated; $55.8 million total value, Time and Materials, ending August 31, 2025 and September 15, 2025). ICF INCORPORATED L.L.C. holds a $13.2 million obligated Time and Materials contract through September 15, 2025. Remaining contracts are Firm Fixed Price agreements ranging from $357,852 to $2.9 million obligated. Vendors must contact the designated point of contact before August 17, 2026 to request modification or present closeout objections.