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High-Purity Fabrication

Cleaner, safer, smarter fabrication for critical industries

ISO 5 Cleanroom Precision for Advanced Industries

At U.S. Engineering, precision and cleanliness define our work. For decades, we’ve partnered with organizations that require the highest standards in fabrication. Now, we’re expanding those capabilities with our ISO 5-certified cleanroom in Johnstown, Colorado.

From semiconductors and pharmaceuticals to food-grade systems and next-generation electronics, our high-purity process ensures your components are manufactured in a tightly controlled environment that eliminates contamination risks. Every project is guided by proven protocols, expert craftsmanship, and data-driven monitoring that safeguard quality at every stage.

Our Johnstown facility houses one of the only ISO 5-certified cleanrooms in Colorado. That distinction means your project benefits from controlled conditions that consistently meet the strictest industry regulations. It also reflects the commitment our Team Members bring to every detail: delivering quality, on schedule, at a fair price.

ISO 5-Certified Cleanroom

One of Colorado’s only ISO 5 facilities, ensuring contamination-free fabrication.

Expert Team

30+ specialists trained in cleanroom methods, tools, and safety standards.

Precision Welding

Orbital welders deliver consistent, high-quality welds in ultra-clean conditions.

Quality Assurance

Stringent borescope testing on-site and in-facility to verify every connection.

End-to-End Clean Fabrication

From initial fabrication to installation, processes stay contamination-controlled.

On Schedule, Fair Pricing

Reliable project delivery with market-competitive pricing you can plan around.