LEIDOS ENGINEERING, LLC (MO)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $79.71M
- $79,705,799under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 162
- with positive net obligations8 IDV vehicles held
- Latest action
- Dec 30, 2020
- SAM.gov registration
- Active
- Registration expiration date Sep 30, 2027
Registration
- Entity structure
- Other
- Business start date
- Feb 11, 1970 (56 years)
- Location
- Saint Louis, MO
- State of incorporation
- Delaware
- Purpose of registration
- All Awards
- Website
- leidos.com
† FY2026 obligations (provisional; DoD awards signed after Jul 27, 2026 are not yet public).
Contract actions that the Department of Defense both funds and awards are withheld at the source for 90 days, so DoD awards signed after Jul 27, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI FTK2HE3581N4. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2008. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.
Net obligations by fiscal year of action
- FY2018: $124,052
- FY2017: $54,209
- FY2016: $1,779,634
- FY2015: $2,459,627
- FY2014: $15,956,463
- FY2013: $12,486,914
- FY2012: $11,983,865
- FY2011: $12,985,673
Show all 11 yearsEarlier years (FY2008–FY2010)
- FY2010: $14,838,504
- FY2009: $5,888,998
- FY2008: $1,147,861
Total across 11 fiscal years: $79,705,799
Top awarding agencies
- Department of Defense$79,378,370, 99.6%
- Department of Veterans Affairs$327,429, 0.4%
Top awarding sub-agencies
- Department of the Army$71,425,241, 89.6%
- Department of the Navy$5,486,587, 6.9%
- Department of the Air Force$2,466,542, 3.1%
- Department of Veterans Affairs$327,429, 0.4%
Top NAICS by obligations
- 541310Architectural services$72,228,212, 90.6%
- 541330Engineering services$7,324,895, 9.2%
- 541120Offices of notaries$152,692, 0.2%
Top product and service codes by obligations
- C211A/e svcs. (incl landscaping interio$43,989,397, 55.2%
- C219Architect and engineering- general: other$25,444,470, 31.9%
- C1AAArchitect and engineering- construction: office buildings$2,095,965, 2.6%
- C214A&e management engineering services$1,752,008, 2.2%
- R425Engineering and technical services$1,327,824, 1.7%
Capabilities
NAICS codes
- 541330Contracts and Subcontracts for Engineering Services Awarded Under the National Energy Policy Act of 1992(primary)
- 237130Power and Communication Line and Related Structures Construction
- 541410Interior Design Services
- 221330Steam and Air-Conditioning Supply
- 221320Sewage Treatment Facilities
- 541618Other Management Consulting Services
Show all 30 NAICS codes24 more NAICS codes
- 541990All Other Professional, Scientific, and Technical Services
- 541310Architectural Services
- 236116New Multifamily Housing Construction (except For-Sale Builders)
- 237310Highway, Street, and Bridge Construction
- 541340Drafting Services
- 562910Environmental Remediation Services
- 221310Water Supply and Irrigation Systems
- 541620Environmental Consulting Services
- 238110Poured Concrete Foundation and Structure Contractors
- 541360Geophysical Surveying and Mapping Services
- 237110Water and Sewer Line and Related Structures Construction
- 541690Other Scientific and Technical Consulting Services
- 213112Support Activities for Oil and Gas Operations
- 541370Surveying and Mapping (except Geophysical) Services
- 541350Building Inspection Services
- 541430Graphic Design Services
- 541490Other Specialized Design Services
- 541320Landscape Architectural Services
- 237120Oil and Gas Pipeline and Related Structures Construction
- 221210Natural Gas Distribution
- 236210Industrial Building Construction
- 237990Other Heavy and Civil Engineering Construction
- 541420Industrial Design Services
- 236220Commercial and Institutional Building Construction
SBA certifications
No certification in the SBA profile data.
Contracts
Latest awards and orders
- W912KN18P5047Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- VA25514J2880Delivery orderunder an indefinite delivery contract (IDC)Department of Veterans AffairsLatest action
- 9C02Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- 9D10Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- 2Z04Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- DL02Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- D208Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- 2Z07Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- 0D02Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- ZG03Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for LEIDOS ENGINEERING, LLC lists a physical address and a separate mailing address, along with 4 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.
Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).
Physical Address
622 Emerson Rd Ste 600
Saint Louis, MO, 63141
USA
Mailing Address
622 EMERSON RD
SUITE 600
SAINT LOUIS, MO, 63141
USA
Government Business Contact
Ariel Russell
1750 Presidents St
Reston, VA, 20190
USA
Electronic Business Contact
Ariel Russell
1750 Presidents St
Reston, VA, 20190
USA
Government Business Alternate Contact
Michael Dinkins
1750 President Street
Reston, VA, 20190
USA
Electronic Business Alternate Contact
Michael Dinkins
1750 President Street
Reston, VA, 20190
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
LEIDOS ENGINEERING, LLC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires September 30, 2027.
Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.
Compliance & Risk Assessment
Source: SAM.gov FAR responsesSuspension/Debarment Status
SAM.gov registration reports no active exclusion
Public Display
Entity information is publicly displayed
Disaster Relief Registry
Not registered for disaster relief
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
Congressional District
Other contractors in Missouri with primary NAICS 541330
- Burns & Mcdonnell Engineering Company, Inc.Kansas City, MO
- Transystems CorporationKansas City, MO
- Boeing Aerospace Operations, Inc.Saint Louis, MO
- Tehama, LLCKansas City, MO
- CDM Federal Programs CorporationKansas City, MO
- Jacobs Government Services CompanySaint Louis, MO