Science and Engineering Services, LLC
Science and Engineering Services, LLC is a small business in Huntsville, AL registered on SAM.gov to bid on federal contracts. It has won about $284.8 million in federal prime contracts since fiscal year 2024, according to USAspending.gov.
- UEI
- E3D7U1KNNJC8
- CAGE code
- 4Q232
- SAM.gov registration
- Active
Registration details
| Legal business name | Science and Engineering Services, LLC |
|---|---|
| Unique Entity ID (UEI) | E3D7U1KNNJC8 |
| CAGE code | 4Q232 |
| Location | Huntsville, AL |
| SAM.gov registration | Active through Aug 25, 2027 |
| Business started | 2012 |
| Primary NAICS code | 336411: Aircraft Manufacturing |
| Website | www.sesius.com |
Certifications and business types
- Minority-owned (self-reported in SAM.gov)
SBA certifications let a business compete for set-aside contracts. See set-aside contracts explained.
Federal contract history
| Fiscal year | Prime contract obligations |
|---|---|
| FY2023 | $116.1 million |
| FY2024 | $122.1 million |
| FY2025 | $150.3 million |
| FY2026 | $13.2 million |
Its biggest federal customers over the last four fiscal years: Department of the Navy ($121.5 million), U.S. Customs and Border Protection ($113.9 million), Department of the Army ($81.5 million), Department of the Air Force ($67.4 million) and Defense Contract Management Agency ($12.9 million).
Recent contract awards
| Awarded | Agency | What it's for | Amount |
|---|---|---|---|
| May 27, 2026 | Defense Logistics Agency | Support,structural | $20,479 |
| May 26, 2026 | Defense Logistics Agency | Support,structural | $30,718 |
| Apr 22, 2026 | Defense Logistics Agency | Seal,generator exhaust shroud | $34,031 |
| Mar 18, 2026 | Defense Logistics Agency | Bushing assembly py | $20,841 |
| Mar 17, 2026 | Defense Logistics Agency | Connector,plug,elec | $33,595 |
| Feb 19, 2026 | Defense Logistics Agency | Chip detector,aircr | $84,747 |
Figures are prime contract obligations reported to USAspending.gov. Work done as a subcontractor isn't included.
NAICS codes Science and Engineering Services, LLC is small under
On its SAM.gov registration, Science and Engineering Services, LLC meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
- 336411 Aircraft Manufacturing
- 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
- 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
- 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing
- 336419 Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing
- 336992 Military Armored Vehicle, Tank, and Tank Component Manufacturing
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
Open contracts in Science and Engineering Services, LLC's NAICS codes
855 open federal opportunities on SAM.gov use a NAICS code Science and Engineering Services, LLC is small under. These are due soonest.
- Hydraulic Drive Unit_End_Item_F-16_NSN_1650013080839_PN_16VM003001-5
✦ The Air Force's 423rd Supply Chain Management Squadron at Tinker AFB is doing market research for a new-manufacture spares buy of the F-16 Hydraulic Drive Unit (P/N 16VM003001-5,…
Due in 2 daysOct 12, 2026
- TURBINE,AIRCRAFT CO
✦ DLA Aviation at Oklahoma City posted a combined synopsis/solicitation for an aircraft turbine part under solicitation SPRTA1-26-Q-2266.
Due in 2 daysOct 12, 2026
- REGULATOR, AIR PRESS
✦ DLA Aviation at Oklahoma City is buying an air pressure regulator (aircraft part, solicitation SPRTA1-26-Q-1404).
Due in 2 daysOct 12, 2026
- Radios for Tuba City Boarding School
Due in 2 daysOct 12, 2026
- Industry Day - GPS-Enabled Monitoring Devices
Due in 2 daysOct 12, 2026
Similar small businesses
Other small businesses with the same primary NAICS code (336411) that have won federal contracts, starting with Alabama:
- Pci Aviation LLC, Atmore, AL
- Critical Mission Services GP, Atmore, AL
- Trident World Systems Inc, Madison, AL
- Aircraft Readiness Alliance Ii, LLC, Anchorage, AK
- Napatree Technology LLC, Mclean, VA
- Avmac LLC, Chesapeake, VA
Frequently asked questions
What is Science and Engineering Services, LLC's CAGE code?
Science and Engineering Services, LLC's CAGE code is 4Q232. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Science and Engineering Services, LLC's UEI?
Science and Engineering Services, LLC's Unique Entity ID (UEI) is E3D7U1KNNJC8. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Science and Engineering Services, LLC's SAM.gov registration active?
Yes, as of the latest SAM.gov public data, Science and Engineering Services, LLC's registration is active through aug 25, 2027. Registrations are renewed every year.
Is Science and Engineering Services, LLC a small business?
Science and Engineering Services, LLC is registered on SAM.gov as small under 7 NAICS codes, including its primary code, 336411. Size is set per NAICS code, so a business can be small for some contracts and not others.
Keep going
- Look up another business's CAGE code or UEI
- Check a SAM.gov registration's status
- How to become a government subcontractor
Registration details come from SAM.gov's public entity extract and contract figures from USAspending.gov. Contact names and street addresses are left out. To change these details, update the registration on SAM.gov. To ask us to remove this page, email hello@fedready.us.