Contact Us
For customer service inquiries and all questions relating to orders, please email us at service [at] greatlakesupplyco.com or use the form below. Allow us two business days to respond. We will try to identify order cancellations/address fixes urgently, they are more challenging to do after 24 hours have passed since ordering.
Business Hours
Monday - Friday | 9AM - 4PM CST
Mailing Address
1028 E Juneau Ave. Suite 100
Milwaukee, WI 53202
Need to start a return or exchange? Use our returns portal.
Get in touch
Frequently asked questions
At this time we no longer ship internationally, but as we grow and are able to accomodate shipping and returns to more countries, we will!
Yes! We are frequently re-stocking and expanding on our SAS-TEC product offerings. If there is a particular protecter from them you'd like to special order, we can include that in our next shipment. Feel free to email us or reach out through the contact form.
Yes, if you'd like to stock our products, please reach out! We can offer wholesale pricing for armor and several of our original products.
Helpful links
Exchanges and returns are accepted within 30 days of the shipment. The customer is responsible for all return shipping charges, and the product must be unworn or unused.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags. Read more about our return process.
GLS Co. is a small operation and we do our best to cover the most common clothing sizes. If you'd like one of our products in a smaller or larger size than we carry, please don't hesitate to reach out by submitting a request! We look forward to accommodating your needs as best we can.