SCIENCE AND ENGINEERING SERVICES, LLC (AL)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2009
- $3.11B
- $3,106,092,820under this UEI
- FY2026 obligations
- $13.41M†
- $13,409,519Provisional
- Awards and orders
- 501
- with positive net obligations18 IDV vehicles held
- Latest action
- Oct 1, 2026
- SAM.gov registration
- Active
- Registration expiration date Aug 25, 2027
Registration
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Jan 1, 2012 (14 years)
- Location
- Huntsville, AL
- State of incorporation
- Alabama
- Purpose of registration
- All Awards
- Website
- sesius.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 E3D7U1KNNJC8. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2009. 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
- FY2026: $13,409,519 (provisional)
- FY2025: $150,316,671
- FY2024: $122,114,028
- FY2023: $116,096,448
- FY2022: $71,810,934
- FY2021: $109,154,515
- FY2020: $179,514,765
- FY2019: $399,540,265
Show all 18 yearsEarlier years (FY2009–FY2018)
- FY2018: $230,739,555
- FY2017: $202,223,515
- FY2016: $198,748,354
- FY2015: $161,310,210
- FY2014: $211,854,412
- FY2013: $266,026,091
- FY2012: $206,608,390
- FY2011: $253,860,229
- FY2010: $158,324,350
- FY2009: $54,440,568
Total across 18 fiscal years: $3,106,092,820
Top awarding agencies
- Department of Defense$2,963,994,356, 95.4%
- Department of Homeland Security$142,091,464, 4.6%
- General Services Administration$7,000, <0.1%
Top awarding sub-agencies
- Department of the Army$2,623,448,159, 84.5%
- Department of the Navy$242,713,413, 7.8%
- U.S. Customs and Border Protection$142,091,464, 4.6%
- Department of the Air Force$68,124,513, 2.2%
- Defense Contract Management Agency$23,860,378, 0.8%
Top NAICS by obligations
- 336411Aircraft manufacturing$3,009,355,863, 96.9%
- 336413Other aircraft parts and auxiliary equipment manufacturing$96,172,041, 3.1%
- 334419Other electronic component manufacturing$388,028, <0.1%
- 444190Other building material dealers$76,657, <0.1%
Top product and service codes by obligations
- 1680Miscellaneous aircraft accessories and components$2,340,927,170, 75.4%
- K016Mod of aircraft components$512,489,099, 16.5%
- 1510Aircraft, fixed wing$142,091,464, 4.6%
- 4930Lubrication and fuel dispensing equipment$42,840,734, 1.4%
- J015Maint/repair/rebuild of equipment- aircraft and airframe structural components$27,394,744, 0.9%
Capabilities
NAICS codes
- 336411Aircraft Manufacturing(primary)Small
- 493110General Warehousing and Storage
- 541715Guided Missiles and Space Vehicles, Their Propulsion Units and Propulsion PartsSmall
- 541690Other Scientific and Technical Consulting Services
- 541990All Other Professional, Scientific, and Technical Services
- 334220Radio and Television Broadcasting and Wireless Communications Equipment ManufacturingSmall
Show all 14 NAICS codes8 more NAICS codes
- 488190Other Support Activities for Air Transportation
- 336413Other Aircraft Parts and Auxiliary Equipment ManufacturingSmall
- 334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument ManufacturingSmall
- 336992Military Armored Vehicle, Tank, and Tank Component ManufacturingSmall
- 336419Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment ManufacturingSmall
- 611699All Other Miscellaneous Schools and Instruction
- 541420Industrial Design Services
- 811210Electronic and Precision Equipment Repair and Maintenance
Small: small business for that NAICS, self-certified in SAM.gov registration.
SBA certifications
No certification in the SBA profile data.
Business types self-reported in SAM.gov registration:
- Asian-Pacific American Owned
- Small Business Joint Venture
- Minority-Owned Business
Capabilities & Services
Contracts
Latest awards and orders
- 47QRAA22D009SFederal supply schedule (FSS)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
- 70B02C22F00001100Delivery orderunder an indefinite delivery contract (IDC)Department of Homeland SecurityU.S. Customs and Border ProtectionLatest action
- 47QFCA22D0135Indefinite delivery contract (IDC)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
- W58RGZ23F0019Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- SPE4AX25F2114Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDefense Logistics AgencyLatest action
- HQ085926DF506Indefinite delivery contract (IDC)VehicleDepartment of DefenseMissile Defense AgencyLatest action
- HQ085926FF088Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseMissile Defense AgencyLatest action
- FA853221D0010Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the Air ForceLatest action
- W58RGZ23F0018Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- SPE4AX24F7393Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDefense Logistics AgencyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for SCIENCE AND ENGINEERING SERVICES, LLC lists a physical address and a separate mailing address, along with 5 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
248 DUNLOP BLVD SW
HUNTSVILLE, AL, 35824
USA
Mailing Address
248 DUNLOP BLVD SW
HUNTSVILLE, AL, 35824
USA
Government Business Contact
Scott McKee
248 Dunlop BLVD
Huntsville, AL, 35824
USA
Electronic Business Contact
Lauren Thompson
248 Dunlop Blvd
Huntsville, AL, 35824
USA
Past Performance Contact
Ralph Pallotta
248 Dunlop Blvd Sw
Huntsville, AL, 35824
USA
Government Business Alternate Contact
Brad Killen
248 Dunlop Blvd Sw
Huntsville, AL, 35824
USA
Past Performance Alternate Contact
Scott McKee
248 Dunlop Blvd
Huntsville, AL, 35824
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
SCIENCE AND ENGINEERING SERVICES, LLC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires August 25, 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
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