STX Underground LLC

Brownsville, TX

UEI: C7KEU6SJG334
CAGE: 9GZQ5
Primary NAICS: 237130 Power and Communication Line and Related Structures Construction
SAM.gov registration: Active through Jun 15, 2027

Company facts

Self-certified in SAM.gov: Self Certified Small Disadvantaged Business

For Profit Organization
Entity structure: Corporate Entity (Not Tax Exempt)
Other NAICS codes in SAM.gov: 237990 Other Heavy and Civil Engineering Construction

238210 Electrical Contractors and Other Wiring Installation Contractors

238910 Site Preparation Contractors

238990 All Other Specialty Trade Contractors

624230 Emergency and Other Relief Services
SAM.gov registration date: Feb 10, 2023
Physical address: 1471 Ventura Dr, Brownsville, TX 78526, USA
Website: stxunderground.us
Founded: 2011
Industry: Industrials

Capital Goods

Construction & Engineering
SIC code: 17 Special Trade Contractors

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Jun 15, 2026.

Yes. STX Underground LLC's SAM.gov registration is active through June 15, 2027.

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