Atom Rail LLC
Atom Rail LLC is a small business in Liberty Hill, SC registered on SAM.gov to bid on federal contracts. It has won about $4.5 million in federal prime contracts since fiscal year 2024, according to USAspending.gov.
- UEI
- HLLSFLLCXQX9
- CAGE code
- 8SS30
- SAM.gov registration
- Active
Registration details
| Legal business name | Atom Rail LLC |
|---|---|
| Unique Entity ID (UEI) | HLLSFLLCXQX9 |
| CAGE code | 8SS30 |
| Location | Liberty Hill, SC |
| SAM.gov registration | Active through Feb 10, 2027 |
| Business started | 2020 |
| Primary NAICS code | 488210: Support Activities for Rail Transportation |
| Website | www.atomrail.com |
Certifications and business types
- Veteran-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 | $-120,234 |
| FY2024 | $1.1 million |
| FY2025 | $1.8 million |
| FY2026 | $1.5 million |
Its biggest federal customers over the last four fiscal years: Department of the Air Force ($4.2 million) and Department of the Army ($163,931).
Recent contract awards
| Awarded | Agency | What it's for | Amount |
|---|---|---|---|
| Sep 29, 2025 | Department of the Army | Us army transportation school sustainment center of excellence (scoe), maritime and… | $284,165 |
| Sep 30, 2024 | Department of the Air Force | Auxiliary lights and speedometer installation | $26,512 |
| Jan 18, 2024 | Department of the Air Force | Gsa vehicle fleet and rail operations management services | $4.1 million |
| Aug 26, 2022 | Department of the Army | Cosmetic restoration of u.s. Army ambulance rail car, ccn: 131448. | $226,382 |
Figures are prime contract obligations reported to USAspending.gov. Work done as a subcontractor isn't included.
NAICS codes Atom Rail LLC is small under
On its SAM.gov registration, Atom Rail LLC meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
Similar small businesses
Other small businesses with the same primary NAICS code (488210) that have won federal contracts, starting with South Carolina:
- Sierra Northern Railway, West Sacramento, CA
- Pennsylvania & Southern Railway LLC, Chambersburg, PA
- Gtabs, Inc., Duluth, GA
Frequently asked questions
What is Atom Rail LLC's CAGE code?
Atom Rail LLC's CAGE code is 8SS30. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Atom Rail LLC's UEI?
Atom Rail LLC's Unique Entity ID (UEI) is HLLSFLLCXQX9. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Atom Rail LLC's SAM.gov registration active?
Yes, as of the latest SAM.gov public data, Atom Rail LLC's registration is active through feb 10, 2027. Registrations are renewed every year.
Is Atom Rail LLC a small business?
Atom Rail LLC is registered on SAM.gov as small under 4 NAICS codes, including its primary code, 488210. 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.