FindTestingLabs
Registers collected 2026-08-04 to 2026-08-05.See collection dates

ASTM C31 Accredited Testing Labs Worldwide

25 accredited laboratories in 3 countries hold ASTM C31 in their ISO/IEC 17025 scope. Primary accreditors include American Association for Laboratory Accreditation. In the register, ASTM C31 scope entries most often cover Compressive Strength, Density, Air Content in Concrete, Aggregates, Drinking water.

Total labs
25
Countries
3
Top matrix
Concrete
15 labs

Available in 3 Countries

United States
21 labs
Qatar
2 labs
Saudi Arabia
2 labs

Top matrices for ASTM C31

Top analytes for ASTM C31

  • Compressive Strength (7)
  • Density (3)
  • Air Content (2)
  • Bulk Density (1)
  • Asphalt Content (1)
  • Air Voids (1)
  • Resistance To Degradation (1)
  • Solids (1)

Sample labs

Terradyne Engineering
Houston, TX, US

ASTM C31/C31 Making and Curing Concrete Test Specimens in the Field ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C138/C138M* Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete ASTM C

Global Mozon Laboratory for calibration and Supporting Services
Yanbu, SA

ASTM C31/C192/C61 EN 12390-3, BS 1377 Digital caliper In-house methods GMCL-TP53 Yanbu, Tabuk

The Murillo Company
Houston, TX, US

ASTM C31/C31M1 Making and Curing Concrete Test Specimens in the Field ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C42/C42M Obtaining and Testing Drilled Cores and Sawed Beams of Concrete ASTM C78/C78M Fl

HTS, Inc. Consultants
Houston, TX, US

ASTM C31/C31M1 Making and Curing Concrete Test Specimens in the Field ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C42/C42M1 Obtaining and Testing Drilled Cores and Sawed Beams of Concrete ASTM C78/C78M F

International Technical Laboratory W.L.L.
Doha, QA

ASTM C31/C31M Making and Curing of Concrete Tests Specimen in the Field ASTM C42/C42M Obtaining and Testing of Drilled Cores and Sawed Beams of Concrete ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C138/C138

B2Z Engineering
Houston, TX, US

ASTM C31/C31M* Making and Curing Concrete Test Specimens in the Field ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C138/C138M* Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete ASTM

Materials Testing & Consulting
Olympia, WA, US

ASTM C31/C31M1 Making and Curing Concrete Test Specimens in the Field ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C78/C78M1 Flexural Strength of Concrete (Using Simple Beam with Third-Point Loading) AST

IP Concrete Testing and Inspection
Ozone Park, NY, US

ASTM C31/C31M* Making and Curing Concrete Test Specimens in the Field ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C42/C42M Obtaining and Testing Drilled Cores and Sawed Beams of Concrete ASTM C138/C138M*

Professional Service Industries
Tukwila, WA, US

ASTM C31/C31M1 Making and Curing Concrete Test Specimens in the Field ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C78/C78M1 Flexural Strength of Concrete (Using Simple Beam with Third-Point Loading) AST

UES PROFESSIONAL SOLUTIONS 44
Houston, TX, US

ASTM C31/C31M1 Making and Curing Concrete Specimens in the Field ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C138/C138M1 Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete ASTM C143/C1

Fenagh Engineering and Testing
Kent, WA, US

ASTM C31* Making & Curing Concrete Test Specimens in the Field ASTM C39 Compressive Strength of Cylindrical Concrete Specimens ASTM C138* Density (Unit Weight) Yield and Air Content of Concrete ASTM C143* Slump of Hydraulic Cement Concre

Fenagh
Round Rock, TX, US

ASTM C31 (Cylinders)1 Making and Curing Concrete Test Specimens in the Field ASTM C39 Compressive Strength of Cylindrical Concrete Specimens ASTM C1381 Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete ASTM C1431

Megan, LLC dba Fairfield
Bridgeport, CT, US

ASTM C31/C31M* Making and Curing Concrete Test Specimens in the Field ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C138/C138M* Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete ASTM

Doha Technical
Mesaieed, QA

ASTM C31/C31M1 Test Method for Compressive Strength of Cylindrical Concrete ASTM C39/C39M Test Method for Obtaining and Testing Drilled Cores and Sewed Beams of Concrete ASTM C42/C42M Test Method for Absorption and Bulk Specific Gravit

Earth Engineering
Houston, TX, US

ASTM C31/C31M1 Making and Curing Concrete Test Specimens in the Field ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C138/C138M1 Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete AST

International Technical Laboratory Tabuk
Tabuk, SA

ASTM C31/C31M Making and Curing Concrete Test Specimens in the Field ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C231/C231M Air Content of Freshly Mixed Concrete by the Pressure ASTM C143/C143M Slump of Hydr

TGI Geotechnics Inc. dba TGI Engineering & Consulting
Suite U Houston, TX, US

ASTM C31/C31M Making and Curing Concrete Test Specimens in the Field ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C138/C138M Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete ASTM C143

Otto Rosenau & Associates
Seattle, WA, US

ASTM C31/C31M1 Making and Curing Concrete Test Specimens in the Field ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C42/C42M Obtaining and Testing Drilled Cores and Sawed Beams of Concrete ASTM C78/C78M1 F

Alliance Laboratories, Inc.
Houston, TX, US

ASTM C31/C31M* Making and Curing Concrete Test Specimens in the Field ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C42/C42M* Obtaining and Testing Drilled Cores and Sawed Beams of Concrete ASTM C138/C138M*

Atlas Technical
Lead, SD, US

ASTM C31/C31M1 Making and Curing Concrete Test Specimens in the Field ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C138/C138M1 Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete ASTM C1

HRF Services
Store Front Hewlett, NY, US

ASTM C31/C31M1 Making and Curing Concrete Test Specimens in the Field ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C42/C42M Obtaining and Testing Drilled Cores and Sawed Beams of Concrete ASTM C138/C138M1

Eustis Engineering
Houston, TX, US

ASTM C31/C31M1 Making and Curing Concrete Test Specimens in the Field ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C138/C138M1 Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete ASTM

Tolunay-Wong Engineers
Corpus Christi, TX, US

ASTM C31/C31M1 Making and Curing Concrete Test Specimens in the Field ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C42/C42M Obtaining and Testing Drilled Cores and Sawed Beams of Concrete ASTM C78/C78M1 F

Ninyo & Moore Geotechnical & Environmental Sciences Consultants
Houston, TX, US

ASTM C31/C31M1 Making and Curing Concrete Test Specimens in the Field ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C138/C138M1 Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete ASTM C1

Atlas Technical Consultants
Houston, TX, US

ASTM C31/C31M1 Making and Curing Concrete Test Specimens in the Field ASTM C39/C39M Compressive Strength of Cylindrical Concrete Specimens ASTM C42/C42M Obtaining and Testing Drilled Cores and Sawed Beams of Concrete ASTM C138/C138M1