About Us
Griffin Supply is the authorized Allied Tube & Conduit mechanical tubing distributor for the Midwest — delivering dependable product, competitive pricing, and responsive service to manufacturers across Indiana, Illinois, Wisconsin, Minnesota, Western Michigan, and Western Kentucky.
Today, Griffin Supply is the exclusive Allied Tube & Conduit mechanical tubing distributor for the Midwest, offering direct access to Allied’s proprietary product lines including Gatorshield® and Zinc Flo-Coat®. Our customers benefit from consistent mill supply, reliable lead times, and a local team that knows the product and picks up the phone.
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Why Go With Us?
Need help? Contact us
(219) 932-2122 or info@griffinsupply.com
Griffin Supply is the exclusive Allied Tube & Conduit mechanical tubing distributor for the Midwest, serving manufacturers across Indiana, Illinois, Wisconsin, Minnesota, Western Michigan, and Western Kentucky. We offer direct access to Allied’s proprietary product lines, including Gatorshield® and Zinc Flo-Coat®, backed by dependable product, competitive pricing, and responsive service.
Customers count on us for consistent mill supply, reliable lead times, and a local team that knows the product and picks up the phone
Blake Corbin
President
Territories
The Allied Tube & Conduit Distributor for the Midwest
As the authorized Allied Tube & Conduit mechanical tubing distributor for our region, Griffin Supply serves customers across a six-state Midwest footprint:
• Indiana (full state)
• Illinois (Champaign and north)
• Wisconsin
• Minnesota
• Western Michigan
• Western Kentucky
Our Hammond, IN location puts us at the heart of this territory — enabling fast, cost-effective delivery to manufacturers throughout the region.
Why Griffin Supply
Manufacturers choose Griffin Supply because we combine the advantages of a major authorized distributor with the service culture of a regional partner:
Exclusive Allied Mechanical Distributor:
We are the exclusive Allied Tube & Conduit mechanical tubing distributor for the Midwest — giving you direct access to Allied's full product line with consistent supply.
Backed by OGT:
As part of Ohio Galvanized Tube, we bring expanded purchasing power, operational depth, and financial stability to every order.
Midwest-First Positioning:
Headquartered in Hammond, IN, we are built for the Midwest market — shorter lead times, lower freight costs, and a team that understands your production environment.
Responsive Team:
We pick up the phone. Our team provides fast quotes, straightforward answers, and follow-through on every order.
Why Choose Us
Why Griffin Supply
Fast Lead Times
Stocked, ready material means your production line keeps moving.
Custom Fabrication
Precise, custom-cut and formed steel solutions built to your specs.
On-Time Shipping
Hammond-based, Midwest-centered — reliable delivery.
Trusted Allied Distributor
Authorized Allied distributor for MN, WI, IL, IN, Western MI, and KY.