ISO 9001 Certified

AS9100 Certified

IATF 16949 Compliant

ITAR Registered

Supporting Engineers with Cutting Edge Machining Tech

For 50 years, Bullen has remained a globally recognized leader in ultrasonic machining of high-quality components used in semiconductors, MEMS, transportation, defense & aerospace, medical & life sciences industries. In 2021, we began offering MicroLucent® machining, unique laser technology to cut precise features in transparent materials.

What started as a small group of engineers repairing ultrasonic equipment in their garage has turned into a “machining powerhouse” and globally recognized industry leader. Despite our growth, we remain just as committed to our employees and our customers as we were on Day One.

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Meet Our Team

Our Technical Team

Director of Business Development

Greg Fitch

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Josh Kemplin

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Sales Engineer

Tony Baker

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Customer Service

Donna Cross

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Customer Service

Bobbie Emory

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Our Leadership Team


Tim Beatty

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Director of Business Development

Greg Fitch

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Director of Human Resources

Joanie McDaniel

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Director of Finance

Craig Mayrer

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Director of Engineering and Technology

Eric Norton

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Director of Operations

Lucas Schroeder

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Director of Quality

Bennie Caldwell

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Our Equipment and Technology

Our unique and unconventional machining technology has enabled high-tech companies to solve many of their most challenging problems for decades. We provide precision machining services for brittle materials such as glass and advanced ceramics. Our equipment uses ultrasonic technology to create a limitless number of feature shapes, including round, square, and odd-shaped thru-holes and cavities of varying depths. We build our custom equipment and tools with an internal metal CNC machining shop. By designing and developing our machines, we can remain fully vertically integrated for ultrasonic machining services, decreasing cost and allowing unmatched quality control for our customers.

Our Charitable Partnerships

Bullen Ultrasonics uses a portion of our profits for sustainable development projects in our community and around the world, extending our Core Values of Excellence, Humility, Integrity, and Teamwork to vulnerable groups served through our partner organizations:

world hope international logo

aruna logo

hit foundation logo

youth for christ logo

Our associations

smi logo

SEMI is the global industry association serving the product design and manufacturing chain for the electronics industry.

mems and sensors industry group logo

The MEMS and Sensors Industry Group® (MSIG), a SEMI Strategic Association Partner, connects the MEMS and sensors supply network in established and emerging markets enabling members to grow and prosper.

usaca logo

USACA is the premier association that champions the common business interests of the advanced ceramic producer and end-user industries.

american ceramic society logo

The American Ceramic Society (ACerS) is a non-profit professional organization for the ceramics community, with a focus on scientific research, emerging technologies, and applications in which ceramic materials are an element.

Our family-first philosophy

As a family-owned company, we believe that work can and should be life-giving. We are committed to the well-being of our employees and are continuously investing in the individuals that work at Bullen. Our company utilizes an organic “Team of Teams” organizational structure that supports the overlap of departments within our organization. This “bottom-up” support model is reflected in our leadership team and our core values.

We’re people that also enjoy giving back to the community in which we live. We are proud to have gained a reputation of service both locally and globally. We’re a sponsoring partner of workforce development with the Preble County Development Partnership and have a long-term partnership with Home is the Foundation, which helps meet the critical shortage of affordable housing options in rural Preble County. Additionally, through the World Hope Foundation, we have Village Partnerships in Cambodia and the Philippines, facilitating sustainable development projects to promote education and emergency relief. We are also supporters of Youth for Christ: Preble County and The Aruna Project. 

5 Reasons to Choose Ultrasonic Machining Over Conventional

Stop letting the limitations of traditional machining hold you back. Download this free PDF today.