A Family-Owned Investment Firm
Precision Machining & Metal Fabrication
We invest in our affiliate’s infrastructure, technology & people
Family Owned

Demmer Manufacturing is a family-owned firm with roots in precision machining and fabrication that date back to 1951.

Our Story
Growth Oriented

We make long-term investments and maintain a stable portfolio of companies that are poised for growth.

Our Portfolio
Strategic Investing

By investing in technology and people, we help our affiliates reach their full potential and better serve clients worldwide.

Our Strategy
We Invest In Leading Middle-Market
Precision Machining & Fabrication Companies
Jonaco Machine
Intrex Aerospace
Quality Tool
ELO Engineering
Palmer Engineering
Jonaco Machine
Serving Customers Worldwide 1972

Jonaco Machine provides precision machining solutions to clients in the medical, aerospace, and defense industries. With capabilities that include rapid prototyping and mass production, this company provides medium- to high-complexity components in low or high volumes.

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Intrex Aerospace
Redefining Precision CNC Manufacturing

Intrex Aerospace serves customers in the space, aerospace, and defense industries, providing tight-tolerance machined components. Their capabilities include engineering support, precision parts machining, special process management, and documentation, ensuring unrivaled quality control and process customization.

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Quality Tool
Exceptional Quality at the Lowest Cost

Quality Tool provides precision metalworking for industrial, medical, specialty electronics, and defense applications. This company’s in-house engineers customize the process for each part or assembly, providing defect-free components under tight timelines at exceptional prices.

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ELO Engineering
Solutions for Complex Metal Fabrication

ELO Engineering provides precision metal fabrication to clients in the transportation, medical, aerospace, and defense industries around the world. This company provides incredible quality and cost control through a fully integrated process, which includes prototyping, metal laser cutting, precision machining, welding, assembly, and more.

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Palmer Engineering
Precision Metal Stamping

Palmer Engineering is a leading precision metal stamping company with capabilities that range from stamping and blanking to in-die tapping and nut insertion. Utilizing advanced technologies and rigorous quality control strategies, this vertically integrated company is able to produce defect-free components in difficult configurations while reducing direct and indirect costs.

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A Family-Owned Private Equity Firm Focused on Manufacturing
& Providing Tailored Business Growth Strategies to Our Affiliates

Demmer Manufacturing is a family-owned, private investment firm focusing on companies that specialize in precision machining and metal fabrication. Since 2010, our portfolio has consisted of a diverse collection of middle-market manufacturing companies that serve clients in the aerospace, medical, electronic, industrial automation, and defense industries. However, our experience in these applications can be traced back to 1951. This is when the Demmer Corporation was founded: first to provide precision design and building of components for automotive and aerospace applications before shifting focus to serve the military and defense industries.

Leveraging our more than 70 years of experience and wealth of knowledge, Demmer Manufacturing represents another strategic pivot into partnerships with companies that are positioned to grow in the ever-expanding and increasingly competitive manufacturing industry. Our affiliates, which include Jonaco Machine, Intrex Aerospace, ELO Engineering, Quality Tool, and Palmer Engineering, provide precision machining and fabrication solutions to clients across the globe. We work closely with these companies’ talented leadership teams, providing strategic investments in their technology, infrastructure, and people, ensuring they remain competitive and continue to grow over the long term.

Our Portfolio
Demmer Manufacturing

People. Precision. Performance.
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