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About Us

Since 1943 the Alloy Engineering Company has been an innovative leader in the design and manufacture of high-quality alloy equipment for high-temperature and corrosive industrial applications in installations around the world.

Our reputation is built on a foundation of engineering, fabrication and high-temperature materials expertise in a variety of applications and industries.

Over the years we have assumed responsibility for the management of entire complex fabricated alloy systems. Our capabilities are the result of working with customers throughout the world – wherever high-temperature, corrosion-resistant fabrications are needed.

We believe customer satisfaction defines quality. As a full partner with customers in a quest to enhance their long-term success, our products and support capabilities are designed to achieve the lowest possible cost of fabrications maintenance and operations.

We share our application know-how with customers and provide responsive, technical and logistical support of our products throughout their operational life.


Alloy Engineering is a certified ASME Code Section I and Section VIII, Division I fabrication shop. Our welders are Certified AWS D1.1 and ASME Section IX. Our staff includes two certified AWS-CWI inspectors, one AWS-SCWI inspector and two AWS-CWS supervisors. Several members of our Quality Assurance Department are also certified in various NDT (nondestructive testing) processes per ASNT SNT TC-1a.

With these certifications, Alloy Engineering can develop all necessary or required weld procedures, depending on the application, to produce the highest quality welded, fabricated product and certify 100% compliance.

Our History


Alloy Engineering founded by Paul A. Menough


Operations move from Mr. Menough’s Rocky River home to a plant in Berea, Ohio


Plant built at present location on Thacker St., Berea, Ohio


Dale Vonderau was elected President/CEO

Alloy Engineering expands from serving steel fabricators to the steel industry itself


Employee Stock Ownership/Option Plan (ESOP) established- first in Ohio, one of the first in the country


Hi-Flow steel annealing system introduced


Employee participatory management strategy implemented with establishment of workforce-team structure


Supplier excellence award from The Timken Company and was selected as Timken’s preferred supplier


High-temperature fan business acquired and integrated into family of Alloy Engineered products


Acquisition of TEI-Rolock and Walmil fabrication businesses

2005 – 2006

Alloy Engineering opens a plant in Wellington, Ohio


Alloy Engineering received an award for excellence in exporting from the governor


Alloy purchases property next door to main building for use as a clean room facility


Wellington becomes an ASME code shop


Blasting/Painting booths added to Wellington-Additional building & square feet added


New management team put in place by end of 2014

In-house machine shop at Wellington installed-includes machining capabilities, automated welding and strip cladding

Vertical integration to better serve our customers

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