Continuous Innovation
Pioneering the Future of Automation & Defense
At Hollenbeck Industries, we are committed to advancing technology to protect and empower. Our cutting-edge solutions redefine what’s possible in the realms of automation and defense.
Our Legacy of Innovation
Unmatched Products & Services

HI Defense
At Hollenbeck Industries, HI Defense represents our unwavering commitment to creating innovative solutions that safeguard the future. Our advanced technologies not only streamline defense operations but also integrate seamlessly with automated systems, allowing for superior responsiveness in critical situations.

Ultra Feed - Parts Feeding
Hollenbeck Industries’ Ultra Feed systems deliver high-speed, modular part feeding (up to 500 parts per minute) that can replace complex vibratory or robotic feeders. They’re plug-and-play, cost-effective, and configurable (e.g. switching from nut to dowel pin feed in under 10 minutes) for seamless integration into automation workflows.

High Speed Inspection
Hollenbeck’s HI-DIM high-speed inspection platform delivers ultra-precise, repeatable dimensional measurement (to ±0.0005″) in continuous motion. It supports multi-point inspections with programmable profiles, seamless integration into existing workflows, and fine control over security settings for engineering vs. operator access.
Our Cutting-Edge Services
Advanced Rapid Prototyping
Experience the future of design with our state-of-the-art rapid prototyping services, tailored to bring your concepts to life with precision and speed.
Custom Production Solutions
Hollenbeck Industries’ CNC Machining offers precision milling and turning across 2-, 3-, 4-, and 5-axis platforms, plus multi-axis lathe work, delivering scalable, accurate components in metals, plastics, and composites.
Innovative Product Development
Hollenbeck’s Engineering services turn raw ideas—and even rough sketches—into fully realized, functional products. From reverse engineering and prototyping to system design across various industries.
Connect with Us Today
Discover the cutting-edge solutions Hollenbeck Industries offers in automation and defense. Reach out to explore how our innovative products can enhance your operations. Our team is ready to assist you with any inquiries or detailed information you need.

On The Mark, Inc. is the parent company of Hollenbeck Industries, providing strategic direction, resources, and operational support to drive innovation and growth. As the overarching organization, On The Mark ensures that Hollenbeck Industries maintains the highest standards in engineering, manufacturing, and automation, while enabling it to focus on delivering precision solutions to customers across multiple industries. This structure allows Hollenbeck Industries to leverage shared expertise and infrastructure, strengthening its ability to scale and serve complex projects efficiently.