ECS Southwest, LLP - an Engineering Consulting Services, Ltd. company
Austin,
Texas
View Accreditation Certificate
Jamie
Nelson
14050 Summit Drive
A-101
Austin
,
Texas
78728
Phone: (512) 837-8005
Fax:
jnelson1@ecslimited.com
http://www.ecslimited.com
Quality Management System - accredited since 1/15/2002
R18, C1077 (Aggregate), C1077 (Concrete), D3740 (Soil), E329 (Aggregate), E329 (Concrete), E329 (Soil)
Asphalt Mixture - accredited since 10/19/2026
D2950
Soil - accredited since 1/15/2002
Tex-113-E, D421, D422, D698, D854, D1140, D1557, D1883, D2166, D2216, D2487, D2488, D4318, D4546, D4643, D4718, D5334, D6913, D6938, D7928
Aggregate - accredited since 1/15/2002
C29, C117, C127, C128, C136, C566, C702
Sprayed Fire-Resistive Material - accredited since 10/19/2026
E605, E736
Concrete - accredited since 1/15/2002
C31 (Cylinders), C39, C138, C143, C172, C173, C231, C511, C617 (9000 psi and below), C1064, C1231 (7000 psi and below)
Ultra-High Performance Concrete - accredited since 7/29/2024
C1856 (Sampling), C1856-C31 (Cylinders), C1856-C39, C1856-C511, C1856-C1437
Masonry - accredited since 7/12/2013
C511 (Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the testing of Hydraulic Cements and Concretes)
C780 (Annex 1) (Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry - Consistency by Cone Penetration)
C780 (Annex 6 - Cubes) (Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry - Compressive Strength of Cubes)
C1019 (Sampling and Testing Grout)
Please note that our accreditations do not include an expiration date. An accreditation only expires when the laboratory fails to comply with our accreditation requirements.
* This information is only valid as of 10/27/2026. Please visit https://aashtoresource.org for current accreditation status.
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