Sia-Tpmc, LLC

Katy, TX Part of Salas O'brien Federal, LLC

UEI
VYDDKLSYKKX8
CAGE
81CK0
Primary NAICS
541690 Other Scientific and Technical Consulting Services
SAM.gov registration
Active through

Company facts

FY2025 rankings

Its parent company, Salas O'brien Federal, LLC, ranks #96 in PSC Y

Self-certified in SAM.gov
  • For Profit Organization
  • Limited Liability Company
Entity structure
Corporate Entity (Not Tax Exempt)
Corporate family
SAM.gov registration date
Physical address
24285 Katy Fwy Suite 625, Katy, TX 77494, USA

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $0
FY2026 -$66,006
FY2025 $98,954
FY2024 $67,797
FY2023 $755,215

Contract vehicles

Contract awards

Latest 5 listed here. See the rest on GovTribe.

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About the company

Sia-Tpmc, LLC, doing business as Sia-Tpmc LLC, is a Houston, Texas-based corporate entity that provides environmental support services to federal government agencies. According to SAM.gov records, the company is registered to receive federal contract awards as a for-profit organization.

Sia-Tpmc has received multiple prime federal contract awards from the U.S. Army Corps of Engineers Engineering District Baltimore for environmental assessment, remediation, and monitoring services. These have included delivery orders for long term contamination monitoring at the Occoquan Bay National Wildlife Refuge ($343K), per- and polyfluoroalkyl substances (PFAS) contamination support for Army Environmental Command ($2.3M), and environmental assessments at Joint Base Myer Henderson Hall ($403K). Additional contract awards have funded hazardous waste and materials evaluations at unspecified sites ($140K) and Phase I/II environmental site assessments at the Bureau of Engraving and Printing ($333K). No subcontractors or small business set-asides were associated with these awards. In summary, Sia-Tpmc provides technical and consulting services to support federal environmental projects, with a focus on contamination assessment and remediation.

Quick answers

Is Sia-Tpmc, LLC registered in SAM.gov?

Yes. Sia-Tpmc, LLC's SAM.gov registration is active through May 13, 2027.

Which contract vehicles does Sia-Tpmc, LLC hold?

Sia-Tpmc, LLC holds a place on 1 federal contract vehicle: Seaport-NXG.

How much has Sia-Tpmc, LLC received in federal contracts?

Federal contracts obligated $98,954 to Sia-Tpmc, LLC in fiscal year 2025 and $855,961 in fiscal years 2023 through 2027.

How does Sia-Tpmc, LLC rank among federal contractors?

Sia-Tpmc, LLC's parent company, Salas O'brien Federal, LLC, ranked #96 in PSC Y in FY2025.

What is Sia-Tpmc, LLC's most recent federal award?

Sia-Tpmc, LLC's most recent federal contract award is Environmental support consisting of long term monitoring to the former woodbridge research facility currently… (W912DR21F0387), from ENDIST Baltimore (USACE), on September 21, 2021.

On GovTribe

See Sia-Tpmc, LLC's full federal record

  • Federal contract awards
  • IDV awards
  • Contract vehicles
  • Funding analysis by agency, NAICS and set-aside
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