About AGI

Number One In Quality Since 1893

Number One In Quality Since 1893

Established in 1893, AGI Fabricators (then known as Alfred Goethel Sheet Metal Company) has been a leader in the industry in sheet metal and custom metal fabrications. Located in Milwaukee, WI, AGI specializes in custom fabrication projects, like thermal oxidizers, and serves commercial and industrial clients throughout North America. AGI also operates Winkler Blastgates, a manufacturer of blast gates and other fabricated metal products.

An Introduction to AGI Fabricators

AGI Fabricators


An Expanding Team of Professionals

An Expanding Team of Professionals

The employees of AGI Fabricators serve customers throughout the United States, Canada, Mexico, and all around the world. Our skilled team of metal fabricators have decades of experience, assuring an excellent result to whatever project they undertake. AGI Fabricators prides itself on excellence in the field of custom metal fabrication, and we achieve success because of the hard work and creativity of our team. No matter the problem, AGI has a solution to meet your needs. Our team at AGI Fabricators is always expanding and looking for talented individuals to join our mission – please click the link below to reach out about employment opportunities at AGI.


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About Winkler

Winkler Blastgates has been producing the highest quality, precision cast blast gates, spiral ductwork, and duct accessories for over 50 years. From manufacturing to custom solutions, Winkler can satisfy all of your project’s needs.

We are expanding our stock options and capabilities on an annual basis.

Our team can assist you with custom blast gate design, drawings, submittals, and specifications.

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