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Block Iron & Supply New Berlin Office Building and sign

Commercial Doors, Frames & Hardware

Serving Our Customers Since 1947

Division 8 & 10 Architectural Products

Brands We Supply

Block Iron and Supply Company employee sitting at a desk doing paperwork

Who We Are

Welcome To Block Iron

Block Iron & Supply Company has 4 locations across Wisconsin. Our qualified team of sales professionals, project managers, project coordinators and estimators specialize in specifying & supplying architectural Division 8 & 10 components for commercial projects to businesses across the country. We work in conjunction with contractors, developers, owners and architects to meet code requirements for each project. 


We also offer welding & fabricating services, carpentry, locksmithing, specification writing & design, & installation.

Our Services

We Offer a Range of Services to Meet Your Needs

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Hollow Metal Doors & Frames

Architectural Wood Doors

Finish hardware

Carpentry Icon

Our in house carpenters pay close attention to detail.  We offer in house machining.

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Toilet Partitions & Accessories, Fire Extinguishers/Cabinets

Wall Protection 

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Our team helps specify the best products to meet your budget while focusing on quality.

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We can re-key, install, & repair locks and service your key system quickly & efficiently.

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Our team is mobile enough to work on projects almost anywhere in the nation.

Welding & Fabrication Icon

Our highly trained welders focus on quality & detail in our fabrication shops.

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Proudly serving the Architectural Industry since 1947.



In Business








Our Projects

Division 8 & 10 Products In Use

Get A Quote For Your Next Project!

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