MISSION SUPPORT & TEST SERVICES LLC

IGF::CL,CT::IGF CONTRACT AWARD DE-NA0003624 TO THE MISSION SUPPORT AND TEST SERVICES LLC (MSTS) FOR THE MANAGEMENT AND OPERATION OF THE DEPARTMENT OF ENERGY NATIONAL NUCLEAR SECURITY ADMINISTRATION'S NEVADA NATIONAL SECURITY SITE.

USAspending award recordLast modified Oct 28, 2026 · verified Nov 10, 2026

01AgencyDepartment of EnergyDepartment of Energy
02AwardDENA0003624DEFINITIVE CONTRACT
03RecipientMISSION SUPPORT & TEST SERVICES LLCKS
04ParentHONEYWELL INTERNATIONAL INC.SAM-reported parent
05SecurityHONExact SEC legal-name match

Obligated$7.93BCommitted by the government. Not cash paid.

Outlays$5.33BCash paid out so far.

Ceiling$11.30BBase plus all options. A maximum, not a payment.

Period of performanceAug 1, 2017 – Nov 30, 2027

Obligation timeline

Actions and modifications

Oct 28, 2026MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS)$224.91MMod 326 · cumulative $224.91M

Record

Award ID: DENA0003624
Category: contract
Industry (NAICS): 561210 · Facilities Support Services
Product/service (PSC): M1JZ
Place of performance: NV
Signed: May 12, 2017
Ingested: Nov 4, 2026
Company match: Exact SEC legal-name match · confidence 0.8