A&B Foundry manufacturing facility

Over 70 Years of Manufacturing Excellence

Founded in Franklin, Ohio — A&B Foundry and Machining has spent over seven decades building a reputation for precision, quality, and reliability that the world's most demanding industries depend on.

Seven Decades of Manufacturing Excellence

From a small foundry in Franklin, Ohio to a full spectrum defense and aerospace manufacturer serving customers globally — A&B's story is one of craftsmanship, growth, and an unwavering commitment to quality.

1953

Founded in Franklin, Ohio

A&B Foundry and Machining is established in Franklin, Ohio — beginning a legacy of precision manufacturing that would span seven decades.

1970s

Expanding Capabilities

A&B grows its foundry capabilities and begins serving aerospace and defense customers, building relationships with major industry primes.

1990s

Quality Certifications

A&B achieves ISO 9001 certification, formalizing quality management processes and opening doors to more demanding defense and aerospace contracts.

2000s

Defense & Aerospace Growth

Significant expansion into military and aerospace markets. A&B begins supporting active military platforms across all branches of the U.S. Armed Forces.

2010s

AS9100D Certification

A&B achieves AS9100D certification — the gold standard for aerospace quality management — and earns 8(a) SBA certification for federal contracting.

Today

Full Spectrum Manufacturer

A&B operates as a full spectrum defense and aerospace contractor — casting, machining, assembly, logistics, and IT services — serving customers globally.

200+ Years of Combined Experience
70+ Years in Business
100+ Team Members
13+ Major Clients

Our Core Values

The principles that have guided A&B for over 70 years — and will guide us for the next 70.

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Precision

Every part we produce meets or exceeds customer specifications. Precision is not a goal — it is our standard.

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Integrity

We put integrity and compliance above all else. Our customers trust us with mission-critical work because we earn that trust every day.

Innovation

Engineering-first thinking drives everything we do. We constantly invest in new technology and processes to stay ahead of customer needs.

🛡️

Reliability

When our customers need us — we deliver. On time, on spec, every time. That reliability has kept customers coming back for over 70 years.

Proudly Made in Franklin, Ohio

A&B Foundry and Machining has called Franklin, Ohio home since 1953. Our facility at 835 North Main Street is where precision manufacturing happens every day — serving customers across the United States and around the world.

📍 835 North Main Street, Franklin, OH 45005