CORNERSTONE SOURCING LLC (TX)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2026
- $12
- under this UEI
- FY2026 obligations
- $12†
- Provisional
- Awards and orders
- 3
- with positive net obligations
- Latest action
- Jul 20, 2026
- SAM.gov registration
- Inactive
- Registration expiration date Sep 20, 2026
Registration
- Entity structure
- Partnership or Limited Liability Partnership
- Business start date
- Sep 6, 2025 (1 year)
- Location
- Austin, TX
- Purpose of registration
- All Awards
† FY2026 obligations (provisional; DoD awards signed after Jul 24, 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 24, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI DMPALQ2X7RM3. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2026. 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: $12 (provisional)
Total across 1 fiscal year: $12
Top awarding agencies
- Department of Defense$12, 100%
Top awarding sub-agencies
- Defense Logistics Agency$12, 100%
Top NAICS by obligations
Top product and service codes by obligations
- 4730Hose, pipe, tube, lubrication, and railing fittings$8, 69.4%
- 4710Pipe, tube and rigid tubing$4, 30.6%
Capabilities
NAICS codes
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:
- Not Applicable
- Minority-Owned Business
- Hispanic American Owned
Contracts
Latest awards and orders
- SPE4A626PT172Purchase orderDepartment of DefenseDefense Logistics AgencyLatest action
- SPE7M026P0972Purchase orderDepartment of DefenseDefense Logistics AgencyLatest action
- SPE7M026P0800Purchase orderDepartment of DefenseDefense Logistics AgencyLatest action
- SPE7M026P0725Purchase orderDepartment of DefenseDefense Logistics AgencyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for CORNERSTONE SOURCING LLC lists a physical address and a separate mailing address, along with 2 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
11001 S 1st St Apt 325
Austin, TX, 78748
USA
Mailing Address
11001 S 1st St Apt 325
Austin, TX, 78748
USA
Government Business Contact
Sebastian Valdez Tinajero
CEO
11001 S 1st Apt 325
Austin, TX, 78748
USA
Electronic Business Contact
Sebastian Valdez Tinajero
CEO
11001 S 1st Apt 325
Austin, TX, 78748
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
CORNERSTONE SOURCING LLC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires September 20, 2026.
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
Congressional District
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