At Great Lakes Industrial, our in-house engineers play a vital role in ensuring the highest quality standards for your sealing products. Supported by our advanced laboratory, we offer a wide range of testing and analysis services to deliver reliable, high-performance solutions. Our in-house capabilities include:
Great Lakes Industrial will bring the classroom to you—minimizing your staff’s out-of-office time and saving you money. We believe learning should be practical, engaging, and enjoyable, which is why we provide hands-on expertise tailored to your operations—and yes, we’ll throw in a free lunch.

While engineering is our specialty, we also excel in manufacturing and distributing rubber components and other products to support manufacturers with reliable, high-quality solutions.
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GLI’s expert engineers provide innovative solutions, quality control, and technical support for your sealing needs. Our in-house lab offers services like product inspection, leak testing, failure analysis, and custom design.
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GLI is your go-to full-service manufacturer and distributor. With over 40,000 parts stocked at facilities nationwide, we’re ready to deliver exactly what you need, when you need it.