We are Pennex

Delighting customers since 1979, Pennex is a leader in the casting, extruding and fabricating aluminum products. Our 400+ employees are dedicated aluminum specialists, proud to provide high-quality aluminum extruded products to our valued customers.

Services Overview

Pennex’s three business units; Casting, Extrusion, and Fabrication are united in their dedication to providing customers with stringent quality control, a wide selection of alloys and material availability, on-time delivery, and outstanding customer service.

Dedicated Aluminum Specialists

From alloy specifications to fabricated components, Pennex personnel have years of experience and extrusion industry knowledge to meet and exceed your extruded component needs.

Going Above and Beyond for Your Success

In addition to your billet and extrusion needs, Pennex offers a variety of value-added services including anodizing, painting, welding, CNC, punching, CTL and miter cutting, JIT, and KanBan services.

Advancing Capabilities to Serve Your Needs

In addition to the most technologically advanced extrusion press in North America, Precezzi 12” 6500TP, Pennex’s has four high-volume production part work cells incorporating robotics, CNC’s, laser inspection, and vision systems.


Generally recognized as one of the best in the industry when it comes to quality, Pennex’s facilities are IATF 16949:2016 (Leetonia) and ISO 9001:2015 (Wellsville/Greenville).

Career fair

Visit the Pennex Aluminum at 50 Community Street in Wellsville!

We’re looking for all levels of Maintenance professionals. Stop in from Monday – Friday 8 AM – 4 PM to:

  • Learn what manufacturing maintenance jobs look like
  • Discuss Pennex career opportunities
  • Learn about our great benefits
  • Participate in an onsite interview and tour!

Our Services


Pennex’s Casting Business Unit produces over 220M pounds of extrusion billet annually at two locations – Wellsville, PA and Greenville, PA. Cast billet diameters include 7”, 8”, 9”, 10”, 12”, and 14” in a log and CTL billet form and in a variety of 1XXX, 2XXX and 6XXX series alloys.


Two extrusion plants – Wellsville, PA and Leetonia, OH, consisting of four extrusion presses ranging from 7” to 12”, produce over 90M pounds of high-quality extrusion annually. Markets served include Tier 1 automotive, transportation, building and construction, electrical and machinery, and consumer durables.

Precision Engineered Components

Two fabrication facilities – York, PA and Leetonia, OH offer a wide range of services from prototype production to automated, high-speed CNC and robotic work cells. From job shop to production part quantities, Pennex has the capabilities to supply your fabricated, finished component.

Pennex Company

Since 1979, Pennex has been supplying quality aluminum extrusions to our mid-Atlantic, Northeast, Southeast, and upper mid-West region customers. From casting billet through extruding custom shapes to fabricating finished components, Pennex services a wide range of aluminum extrusion markets including automotive, transportation, building and construction, electrical and machinery, consumer durables, and distribution. Our goal is to delight our customers with high-quality extrusions delivered on time and at a competitive price all the while providing outstanding customer service.

aluminum extrusion and fabrication experts


Pennex can support you through all phases of development and production in a wide variety of industries.
In-house capabilities include billet production, tight tolerance extrusion.  Learn More…

precision engineered products
custom fabricated aluminum components


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Building & Construction

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Consumer Durables

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Pennex is lightening the load of the truck and trailer industry. Pennex produces extruded aluminum components for a broad range More…

Standard Die Catalog

Pennex has the capabilities to customize a die for your specific needs.  Please contact us to speak to our specialists.

Associated with:

Metal Exchange
AEC Member
Aluminum Association