A premier value-added metal service center

For almost 100 years, Wieland Metal Services, formerly A.J. Oster, has been a processor and distributor of copper and copper alloy sheet, strip, and foil, aluminum sheet, and coated aluminum products.

At Wieland Metal Services, the pursuit of continuous quality improvement defines our corporate culture from top to bottom allowing us to provide the finest quality metal products and services in response to each customer’s specific needs.


We offer aluminum sheet and foil gauges in a wide variety of alloys, tempers, and finishes.

Copper & Copper Alloys

We stock and supply the broadest product range of copper and brass alloys in the industry.

Stainless Steel

We offer a wide range of stainless steel alloys in both foil and sheet gauges.

Architectural Copper

We offer copper roofing products, including copper roofing sheet and coil, lead-coated copper and tin-zinc coated copper.

Value proposition

Wieland Metal Services is committed to providing a safe working environment for its employees. We continually work toward improving our processes and facilities and educating our employees to help create a safer and more productive workplace. 

Wieland Metal Services is a processor and distributor of copper and copper alloy sheet, strip, and foil, aluminum sheet, and coated aluminum products.


For short lead-times with high reliability, high level of service, high-quality metal, and a broad alloy breadth offering, including HPAs from Wieland Rolled Products you’ve come to the right place. Here at Wieland Metal Services, we strive every day to exceed the rest to be the very best.  

  • A Safety First Driven Company
  • 100% Recyclable Products
  • Short Lead Times
  • Excellent Customer Service
  • Diverse metal product offering: Copper, Brass, Aluminum, Stainless Steel
  • Wide-range of Processing Capabilities – from .0005 to .2500 inch thickness
  • Expansive geographic coverage in the US, Mexico, and Puerto Rico
  • High-Quality Standards – ISO 9001 Certified
Our Markets

Wieland Metal Services serves an extensive base of industries and have proven capable of meeting and exceeding numerous industry’s exceptionally stringent demands for product quality, deliverability, and Just-in-Time performance at every point in the supply chain. We offer stocking programs, help with logistics, and make sure to provide the correct alloy for every application. Our locations are strategically located through the US, Carribean, and Mexico to serve the needs of the industry. 

Antimicrobial Copper
Architectural Products
Building & Construction
Electrical and Electronics


And many more…

About Us

Wieland Metal Services is a leading value-added metal service center in North America. As part of the Wieland Group since July 2019, Wieland Metal Services continues to focus on safety, quality and customer service. Learn more at Wieland.com

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