WHAT WE DO

At Great Lakes Industrial, we specialize in innovative engineering and value-added services such as manufacturing, kitting, packaging, inventory management, and distribution. We provide custom sealing solutions that streamline operations, save time, and reduce costs for your business.

engineering capabilities

ENGINEERING

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.
manufacturing capabilities

MANUFACTURING

GLI is your go-to full-service manufacturer and distributor, offering both custom and standard parts to keep your business running smoothly. With over 40,000 parts stocked at facilities nationwide, we’re ready to deliver exactly what you need, when you need it.
distribution

SERVICES

At GLI, we make things easier with custom manufacturing, inventory management, efficient stocking, and product enhancements. Plus, our kitting and packaging services have you covered, keeping your operations smooth and your costs down.
LEARN MORE
70+

Years in Business

6

Warehouse Facilities

300+

Suppliers

13

Business Sectors Supported

engineering services

Quality is not a department at Great Lakes Industrial; it’s a part of our culture and why OEMs have relied on us for nearly 70 years.

gli milwaukee hqHQ

THE GLI ADVANTAGE

Since 1954, Great Lakes Industrial has grown from a single Midwest location to six facilities nationwide. With coast-to-coast coverage and engineering expertise, we ensure fast, reliable delivery of quality products that keep manufacturing operations running smoothly.

Learn More

What Our CUSTOMERS Say

MATERIAL PLANNER 
FOR A LEADING ENGINES 
PROUCER
THOMAS H
"GLI is one of my best suppliers and has always delivered on any commitments made. They provide us with accurate updates and timely responses, allowing us to adjust our schedule to minimize impacts.

LATEST NEWS

Stay up-to-date with the latest from Great Lakes Industrial! From company updates and industry news to exciting innovations and success stories, our news section keeps you in the loop on everything GLI.
Blog Img
GLI Appoints Tambra Martin as VP of Strategy

Great Lakes Industrial is pleased to announce the addition of Tambra Martin as Vice President of Strategy.

Read More
Blog Img
Chemical Compatibility for O-Rings: Find the Perfect Fit with Our New Tool

Selecting the ideal O-ring material is essential to ensuring reliable performance, reducing maintenance costs, and preventing system failures.

Read More
Blog Img
Great Lakes Industrial Celebrates 70 Years of Growth and Expansion

Seven decades of innovation, customer commitment, and quality products.

Read More

Great Lakes Industrial is a family-owned engineering provider specializing in sealing solutions and value-added services for manufacturers worldwide.

Navigation
HomeAbout UsServicesPrivacy PolicyTerms of SaleISO Certificate
Milwaukee HQ
6150 N Flint Rd, Milwaukee, WI 53209

Phone: (414) 352-8800
Email: sales@greatlakesindustrial.com
Contact Us