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About Us

Reliable Materials Testing Equipment Backed by Innovation and Experience

Gilson is a leading manufacturer and supplier of high-quality materials testing equipment. Our innovative testing products are used in many industries, such as civil engineering, pharmaceutical, food science, and other laboratories that rely on the most rigorous ASTM and AASHTO standards.

Gilson’s experienced and knowledgeable Customer Service and Technical Support staff will work closely with you to find the right laboratory equipment for your unique testing application. Helping you is just the way we do business, and it’s been that way for more than eighty years.

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Industry Experts

With decades of hands-on experience, Gilson’s knowledgeable Technical Support Specialists are here to support you with your unique materials testing applications.

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Trusted Supplier

Starting with the groundbreaking Gilson Testing Screen in 1939, we have enhanced our offerings each year to deliver more accurate, reliable, and innovative testing equipment.

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Dedicated Customer Support

Get solutions to your materials testing needs by contacting Gilson Customer Service or Technical Support by either phone, email or live chat. Gilson is here for you.

Gilson Test Sieves are available in a variety of configurations for your unique particle-sizing applications.

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Be confident of consistent, accurate, and repeatable particle separations with Gilson Sieve Shakers.

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For decades Gilson’s Testing Screens have been an industry gold-standard in testing labs world-wide.

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Gilson Insights

Coarse Aggregate Gradation: Test Sieves or Screen Trays?

Learn how using a laboratory-scale testing screen shaker can improve testing efficiency and productivity.

Sand Equivalent Test Method Explained: The Purpose and The Process

Understand how fines can impact the performance of composite materials.

Rebar in Concrete: Non-destructive Evaluation of the Reinforcement Matrix

Identify the right tool for finding embedded concrete reinforcing steel.

Soil Direct Shear Test: Understanding the Process

Know why a relatively simple soil mechanics test is very important to geotechnical engineers.

Setting Up A CMT Field Lab: Application-Specific Equipment & Considerations

Find out which testing equipment to use based on the materials being tested.

How To Set Up A Field Lab For Construction Materials Testing: The Essentials

Learn the ABC's that are required for a materials testing lab in the field.

California Bearing Ratio Test: CBR Values & Why They Matter

Gain insight as to why evaluating the strength of soil subgrades is important to highway engineers.

Concrete Cracking: Evaluating Width, Depth & Movement

Discover trusted solutions for measuring cracks in concrete including width, depth and movement.

Gilson Videos

Specialized Test Sieves

Choosing the Right Specialized Test Sieve

Understand why some unique gradation analysis applications require specialized test sieves.

Test Sieve Test Specifications

Choosing the Right Test Sieve: Test Specifications

Check out why test specifications should be the first and foremost consideration in selecting a test sieve.

Marshall Component Setup

Component Set-ups for the Gilson Marshall Stability Load Frame

See how to assemble different asphalt testing components on the versatile Gilson Marshall Stability Load Frame.

Concrete Air Meters

Gilson Concrete Air Meters

Discover what Gilson has to offer to test the air content of freshly mixed concrete accurately, and in accordance with ASTM and AASHTO standards.

Concrete Rebound Test Hammer

Gilson Concrete Rebound Test Hammer

Learn about the Gilson Rebound Test Hammer, an economical Type N model with a proven history of accuracy.

Static Segregation Column

How to Use the Gilson Static Segregation Column

Check out how this new design allows the operator to easily perform the test with minimal sample loss.

Asphalt Tack Coat Strength Test

Testing Shear Strength of Asphalt Tack Coat

See why predicting the field performance of tack coat is a key function in asphalt pavement mix design.