
Aluminum Foundry
American Cast. Built to Last.
Bomar’s in-house aluminum foundry gives you fast, dependable access to cast parts made to withstand the harshest marine and industrial environments. Whether you’re casting custom hardware, enclosure components, or prototyping legacy parts, we deliver precision results backed by decades of experience.
What We Offer
Durable Castings. Flexible Molds. Low to Mid-Volume Capable.
Our aluminum casting capabilities provide versatility for commercial marine, industrial, and custom OEM parts.
Sand Casting for Marine-Grade Alloys
We cast 356 and 319 aluminum alloys commonly used in marine hardware, hatches, and structural components.
Custom Mold Design & Pattern Creation
In-house mold development for one-off, low, and mid-volume parts. CNC-milled patterns and custom cores available.
Legacy Part Reproduction
Reverse engineering services to replace discontinued or hard-to-find marine castings.
Surface Finishing & Machining
Post-cast finishing, trimming, and CNC machining for precision-critical components.
OEM Casting Support
Partner with us to scale up production of brackets, covers, plates, and structural assemblies to your spec.
Equipment & Capacity
Precision-built, repeatable, and scalable. Our in-house machining capabilities are backed by carefully selected equipment and decades of marine manufacturing expertise.

Sand Casting Expertise
Flexible molds for custom and OEM projects

Mold Design &
CNC Patterns
From CAD to casting with in-house prototyping

Legacy Part Recasting
Replace or replicate older marine castings

Post-Cast Machining
Finish cuts, tapped holes, and dimensional accuracy

Alloy
Options
319 and 356 aluminum for marine and industrial applications
Industries We Serve
Discover the industries that rely on Bomar’s aluminum casting expertise to deliver strong, corrosion-resistant components for demanding environments.
what makes us different
Why Choose Bomar?
Proven Experience
We've built tough parts for boats and ships for decades.
Built to Specs
We shape every part around your needs—no shortcuts.
Everything In-House
From start to finish, we do it all under one roof.
Made in the USA
Engineered and cast in Charlestown, New Hampshire.
Start Your Project with Confidence
Whether you need a production partner or support for a new prototype, Bomar’s CNC team is ready to deliver precision-machined results — on time, on spec, and built to last.

