Central Tox LLC
Central Tox LLC (doing business as Semper Fi Labs) is a small business in Round Rock, TX registered on SAM.gov to bid on federal contracts. It has won about $2 million in federal prime contracts since fiscal year 2024, according to USAspending.gov.
- UEI
- PNKHDVRXZC29
- CAGE code
- 8SRD9
- SAM.gov registration
- Active
Registration details
| Legal business name | Central Tox LLC |
|---|---|
| Doing business as | Semper Fi Labs |
| Unique Entity ID (UEI) | PNKHDVRXZC29 |
| CAGE code | 8SRD9 |
| Location | Round Rock, TX |
| SAM.gov registration | Active through Jul 20, 2027 |
| Business started | 2014 |
| Primary NAICS code | 541380: Testing Laboratories and Services |
| Website | www.centraltox.com |
Certifications and business types
- Service-disabled veteran-owned (self-reported in SAM.gov)
- 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 | $678,081 |
| FY2024 | $709,956 |
| FY2025 | $608,349 |
| FY2026 | $667,536 |
Its biggest federal customers over the last four fiscal years: Department of Veterans Affairs ($2.4 million) and Department of the Army ($278,925).
Recent contract awards
| Awarded | Agency | What it's for | Amount |
|---|---|---|---|
| Aug 6, 2026 | Department of Veterans Affairs | Oral and urine drug testing new jersey | $79,995 |
| Apr 7, 2026 | Department of Veterans Affairs | Urine and oral drug testing for james j. Peters | $22,815 |
| Mar 3, 2026 | Department of Veterans Affairs | Urine and oral drug testing for new york harbor | $43,875 |
| Feb 13, 2026 | Department of the Army | Clinical laboratory services bpa in accordance with performance work statement (pws). | $36,915 |
| Feb 5, 2026 | Department of Veterans Affairs | Order for urine and drug testing for northport | $530,000 |
| Jan 12, 2026 | Department of the Army | Texas army national guard- clinical laboratory testing services unit: office of the… | $5,000 |
Figures are prime contract obligations reported to USAspending.gov. Work done as a subcontractor isn't included.
NAICS codes Central Tox LLC is small under
On its SAM.gov registration, Central Tox LLC meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
- 513210 Software Publishers
Open contracts in Central Tox LLC's NAICS codes
22 open federal opportunities on SAM.gov use a NAICS code Central Tox LLC is small under. These are due soonest.
- Digital Library of Creative Assets (DLCA) II
✦ The National Geospatial-Intelligence Agency (NGA) is asking for information about a subscription service for editable vector graphics and media assets for use across the agency,…
Due in 3 daysOct 13, 2026
- RTI SWM
Due in 4 daysOct 14, 2026
- DocuWare Software Annual Maintenance and Support Services
✦ The National Institutes of Health (NIH) Clinical Center in Bethesda, MD plans to buy annual maintenance and support for its existing DocuWare records software from DocuWare…
Due in 6 daysOct 16, 2026
- Request for Information- Microsoft EA Product Alternatives
Due in 6 daysOct 16, 2026
- VA Enterprise-level Product Solutions
✦ The VA's Technology Acquisition Center is running market research (an RFI, not a bid) on replacing or matching its Microsoft-based enterprise software for more than 540,000 users.
Due in 6 daysOct 16, 2026
Similar small businesses
Other small businesses with the same primary NAICS code (541380) that have won federal contracts, starting with Texas:
- Chemtex Environmental Laboratory, Inc., Port Arthur, TX
- A-Bear Consult LLC, Crowley, TX
- Tri Airtesting Inc, Austin, TX
- VPS Testing & Inspection, Inc., La Porte, TX
- Aviation Laboratories, Inc., Houston, TX
- M-Biolabs, Inc, San Antonio, TX
Frequently asked questions
What is Central Tox LLC's CAGE code?
Central Tox LLC's CAGE code is 8SRD9. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Central Tox LLC's UEI?
Central Tox LLC's Unique Entity ID (UEI) is PNKHDVRXZC29. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Central Tox LLC's SAM.gov registration active?
Yes, as of the latest SAM.gov public data, Central Tox LLC's registration is active through jul 20, 2027. Registrations are renewed every year.
Is Central Tox LLC a small business?
Central Tox LLC is registered on SAM.gov as small under 1 NAICS code. 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.