Federal solicitation · SOLICITATION_NUMBER_391634 · back to recent

SOLICITATION NUMBER 391634 “SOFTWARE ENGINEERING SUPPORT SERVICES”

Agency: ENERGY, DEPARTMENT OF
Status: Open
Response deadline: September 16, 2026
Posted: September 2, 2026
Set-aside: Total small business set-aside
NAICS: 541511
Source: View on SAM.gov
Last checked: 2026-09-12

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Solicitation description

Hanford Tank Waste Operations & Closure, LLC (H2C) requests proposals for Software Engineering Support Services. The requested work is in support of H2C’s Prime Contract 89303324DEM000096 with the U.S. Department of Energy, Office of River Protection.

Vendor field in NAICS 541511 (12m)

Top 5 vendors by trailing-12m obligated dollars across this NAICS code, $1,041.5M total.

PALANTIR USG INC	45.2%
CACI, INC. - FEDERAL	6.7%
DARKHIVE INC.	4.6%
REI SYSTEMS, INC.	4.1%
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.	3.6%

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Data this profile does not cover

No likely incumbent surfaced; the solicitation number did not match any award record in the trailing window.