Quartet Engineers Corporation is Houston's A2LA-accredited geotechnical engineering, construction materials testing, and ESA Phase-I environmental lab.

Founded in 2015 and headquartered at 2313 W Sam Houston Pkwy N, Suite 121, Houston, TX 77043, we serve builders, contractors, developers, and lenders across Greater Houston and East Texas.

10+ Years serving Greater Houston (founded 2015)
200+ Clients across commercial, residential, infrastructure, and energy
1,000+ Projects completed, on time and within budget
A2LA Accredited to ISO/IEC 17025:2017

🧪 CONSTRUCTION MATERIALS TESTING (CMT)
Concrete, soils, asphalt, aggregates, grout, and mortar — field and laboratory testing from our A2LA-accredited, ISO/IEC 17025:2017-compliant Houston lab. Services include compressive strength testing (ASTM C39), compaction verification (ASTM D1557), slab pour inspections, special inspections, and foundation observation. TxDOT, City of Houston, Harris County, and Port Authority approved.

🏗️ GEOTECHNICAL ENGINEERING
Site investigations, deep and shallow foundation design, slope stability analysis, pavement design, and settlement analysis. P.E.-stamped recommendations tailored to Houston's Beaumont Formation expansive clay. Our in-house lab runs Atterberg limits, swell tests, and hydrometer analyses to confirm design assumptions.

🌿 ESA PHASE-I ASSESSMENTS
ASTM E1527-21-compliant, AAI-aligned environmental site assessments for commercial real estate transactions. Lender-ready reports delivered in 10 business days. Rush turnaround (5 days) available for time-sensitive closings.

📋 ACCREDITATIONS & APPROVALS
A2LA ISO/IEC 17025:2017 · AASHTO re:source · CCRL · TxDOT · City of Houston · Harris County · Port Authority of Houston · DBE · MBE · SBE · HUB

📍 SERVICE AREAS
Harris County · Fort Bend County · Montgomery County · Galveston County · Brazoria County · statewide TxDOT and Port Authority projects.

📞 Request a quote: services@quartet-eng.com | 832-844-6556
🌐 quartet-eng.com

Quartet Engineers Corporation

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Quartet Engineers Corporation

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