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Can't find the information you're looking for? We aim to answer some of your most pressing questions and concerns. Please contact or call our office and we'll be happy to help!

What areas do you serve?

We serve the State of Oklahoma and Northern Texas.

Are you accredited to work on State & Federal projects?

Standard’s laboratories in Oklahoma hold accreditation and/or validation by the AASHTO (American Association of State Highway and Transportation Officials) Accreditation Program (AAP) and the U.S. Army Corps of Engineers’ validation program.

Standard’s Oklahoma City office maintains current AAP accreditation in asphalt mixture, soils, aggregate, sprayed fire-resistive material, and concrete testing.  Our Oklahoma City laboratory has AAP accreditation for ASTM C1077 (Aggregate), D3666 (Concrete), D3666 (Aggregate), D3666 (Asphalt Mixture), D3740 (Soils), and E329, “Specifications for Agencies Engaged in the Testing and/or Inspection of Materials Used in Construction,” for Aggregate, Asphalt Mixture, Concrete, Sprayed Fire-Resistive Material, and Soil.  Additionally, Standard is currently accredited by AAP for 50 different ASTM soil testing standards and 112 other testing standards (162 total testing standards).


What is the turnaround time on proctors?

Proctors and soil classifications: As fast as 48 hours from sample delivery.

How do I get an estimate?

We can provide estimates for geotechnical exploration and construction materials testing and inspection within a 1-day turnaround.

No matter the type or size of your project, we will be able to help you and guide you in the right direction.

Who do I call to schedule work?

Call our office at (405) 528-0541 and ask for dispatch.

Corporate Office

Standard Engineering & Field Services
3400 N Lincoln Blvd
Oklahoma City, OK 73105

Operating Hours

Monday - Friday, 8 am - 5 pm


Your Privacy

We are committed to protecting your privacy. Your information will be used in accordance with the applicable data privacy law, our internal policies, and our privacy policy. We will handle your information with care and respect for your privacy.

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Our Accreditations