Advanced testing services for raw aggregate materials and asphalt mixes — guaranteeing quality across construction and paving operations, and for clients across the country.

Materials Testing Experts

Experienced technicians, state-of-the-art facilities

So much goes into providing the most accurate construction materials testing available, but these two components are the foundation of Premier Testing Laboratories (PTL). PTL is a partner company of ESS and a member of the Emery Sapp Construction family of brands. ESS clients benefit from PTL’s small but mighty team of industry experts who use their knowledge to conduct some of the most advanced testing processes used in our industry.

Advanced testing requires state-of-the-art laboratory facilities, and that’s exactly what the PTL team has constructed. Our labs are equipped with cutting-edge technology to conduct a wide array of materials testing for soil, aggregate, concrete, and asphalt to meet the needs of our clients.

Fully trained and certified laboratory technicians operating Premier Testing Laboratories
Total square feet of state-of-the-art laboratory facility space in service of ESS

Materials Testing Highlights

What sets premier testing laboratories apart

When accuracy and precision are of the utmost importance, our clients rely on Premier Testing Laboratories to deliver. Here are a few ways we serve their needs:

Buckets of material

Partner Testimonials

ESS materials testing is quality with accurate results. They are dependable and have met every request we've had whether it was more than a week's notice or just a day or two. Their communication skills are impeccable, and we look forward to future business with them.

Tracy Smith
Office Manager, Higgins Asphalt

Premier Testing Labs has extensive knowledge in construction materials and testing. They are always very responsive and professional in providing services for our team.

Vicki Woods, PE
Technical Marketing Manager, Ingevity

Frequently Asked Questions

Want to know more about premier testing?

Materials testing is an immense and detailed area of construction. Before you go down the rabbit hole, here are answers to a few questions we’re used to getting.

  • Does PTL test materials exclusively for ESS or do you serve external clients?

    PTL performs materials testing for both ESS projects and external clients. Our external clients are primarily in the Midwest, but we also serve clients elsewhere in the United States.

  • Where are your testing labs located?

    The PTL labs are located in Hannibal and Joplin, Missouri. They serve construction and paving operations in the Midwest and beyond.

  • Do you give tours of the laboratory to the public?

    For interested clients, we are always happy to give tours of our facilities and share our testing processes.

  • What kind of training or certification is required to become a lab tech?

    Technicians are required to be certified by the state DOT for all different types of materials testing.

  • Is PTL an accredited lab?

    Yes, PTL is an accredited lab. Contact us if you’d like to learn more.

Man using lab equipment
Bucket of liquid material

QUALITY CONTROL OF THE HIGHEST ORDER