Federal contractor profile
UEI KK28MBCGKCT6CAGE 4RUU5
MISSION SUPPORT ALLIANCE, LLC is associated with UEI KK28MBCGKCT6 and CAGE 4RUU5 in public federal records. AcornBids currently links 1 prime award totaling $3.6B in obligations to this entity. Its largest recorded federal customer by obligations is Department of Energy. Its recorded federal awards include work classified as Facilities Support Services. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 561210 (Facilities Support Services). Its public SAM.gov registration lists RICHLAND, WA, USA.
Detailed agency totals are not available in this stored profile.
Largest positive coded-agency total ÷ all positive coded-agency totals × 100
Missing data is shown as unavailable.
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 6, 2026. Refresh pending; these totals may be out of date.
Public SAM.gov registration details.
Source facts
Net transaction obligations by federal fiscal period.
Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 1 of 1 selected awards. Select a period to explore its awards.
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| DEAC0609RL14728MISSION SUPPORT CONTRACT - PROVIDE DIRECT SUPPORT TO DOE-RL, DOE-ORP AND THEIR CONTRACTORS WITH COST-EFFECTIVE INFRASTRUCTURE AND SITE SERVICES INTEGRAL AND NECESSARY TO… | Department of Energy | $3.6B | Apr 28, 2009 | Jan 24, 2021 |
| Registration evidence | Date |
|---|---|
| SAM updated | Sep 29, 2025 |
| Source loaded | Sep 2, 2026 |
| Initial registration | Apr 2, 2012 |
| Entity start | May 14, 2007 |
| Industry | Reported size status |
|---|---|
| 541330 — Engineering Services | Not reported |
| 561210 — Facilities Support Services | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| ARIEL RUSSELL | Government business | Contact method not published | SAM registration | Not available |
| KARRAS BRACKENBURY | Alternate government business | Contact method not published | SAM registration | Not available |
| ARIEL RUSSELL | Electronic business | Contact method not published | SAM registration | Not available |
| KARRAS BRACKENBURY | Alternate electronic business | Contact method not published | SAM registration | Not available |
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
Ownership follows reported parent UEIs.
Reported ownership links. Award and funding explorers can include this family.
| Legal entity | Reported parent UEI | Source loaded |
|---|---|---|
| LEIDOS HOLDINGS, INC. | ZL41ERXMPAR3 | Sep 2, 2026 |
| AMSEC CORPORATION | ZL41ERXMPAR3 | Sep 26, 2026 |
| ARANEA SOLUTIONS INC | ZL41ERXMPAR3 | Sep 26, 2026 |
| CARDNO - AMEC FOSTER WHEELER PUBLIC WORKS JOINT VENTURE | ZL41ERXMPAR3 | Sep 19, 2026 |
| CARDNO GS - AECOM PACIFIC JV | ZL41ERXMPAR3 | Sep 19, 2026 |
| CARDNO TEC-LEIDOS, LLC | ZL41ERXMPAR3 | Sep 26, 2026 |
| EAGAN, MCALLISTER ASSOCIATES, INC. | ZL41ERXMPAR3 | Sep 26, 2026 |
| GIBBS & COX INC | ZL41ERXMPAR3 | Sep 26, 2026 |
| HANFORD MISSION INTEGRATION SOLUTIONS, LLC | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS ASPEN SYSTEMS CORP | ZL41ERXMPAR3 | Sep 19, 2026 |
| LEIDOS BIOMEDICAL RESEARCH INC | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS ENGINEERING LLC | ZL41ERXMPAR3 | Sep 19, 2026 |
| LEIDOS ENGINEERING, LLC | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS INC | ZL41ERXMPAR3 | Sep 19, 2026 |
| LEIDOS INC | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS INC | ZL41ERXMPAR3 | Sep 2, 2026 |
| LEIDOS INC | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS INC | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS INC | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS INC | ZL41ERXMPAR3 | Sep 19, 2026 |
| LEIDOS INC | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS INNOVATIONS CORPORATION | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS MANAGEMENT SYSTEMS DESIGNERS, INC. | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS SMS INC | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS, INC. | ZL41ERXMPAR3 | Aug 15, 2026 |
| LEIDOS, INC. | ZL41ERXMPAR3 | Sep 19, 2026 |
| LEIDOS, INC. | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS, INC. | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS, INC. | ZL41ERXMPAR3 | Sep 2, 2026 |
| LEIDOS, INC. | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS, INC. | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS, INC. | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS, INC. | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS, INC. | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS, INC. | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS, INC. | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS, INC. | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS, INC. | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS, INC. | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS, INC. | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS, INC. | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS, INC. | ZL41ERXMPAR3 | Sep 26, 2026 |
| LEIDOS, INC. | ZL41ERXMPAR3 | Sep 26, 2026 |
| MISSION SUPPORT ALLIANCE, LLC | ZL41ERXMPAR3 | Sep 2, 2026 |
| NOUDYNE LLC | ZL41ERXMPAR3 | Aug 15, 2026 |
| QTC MEDICAL SERVICES INC | ZL41ERXMPAR3 | Sep 26, 2026 |
| REVEAL IMAGING TECHNOLOGIES, INC. | ZL41ERXMPAR3 | Sep 26, 2026 |
| S M CONSULTING, INC. | ZL41ERXMPAR3 | Aug 15, 2026 |
| SCIENCE APPLICATIONS INTERNATI | ZL41ERXMPAR3 | Sep 26, 2026 |
| SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | ZL41ERXMPAR3 | Sep 26, 2026 |
| SCIENCE, ENGINEERING AND TECHNOLOGY ASSOCIATES CORPORATION | ZL41ERXMPAR3 | Sep 26, 2026 |
| STANTEC GS - WSP JV | ZL41ERXMPAR3 | Sep 26, 2026 |
| VAREC INC | ZL41ERXMPAR3 | Sep 26, 2026 |
Explore the customer, work and award-size evidence behind each match.
Recorded award industries: 561210 — Facilities Support Services.
Recorded products and services: M300 — Operation of Restoration of real property (public or private). All actions necessary to restore, rehabilitate, or reclaim property..
Examples from recent award records:
These records describe federal award work, not every company capability. Review the award evidence.
825 JADWIN AVE, RICHLAND, Washington 99352, United States
Registered location from SAM.gov; award performance locations may differ.
561210 — Facilities Support Services.
Primary SAM.gov NAICS classification.
Department of Energy.
Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
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