Precision Services

Seiler Precision Manufacturing is more than a full-service contract manufacturer — we’re a partner in engineering steadfast solutions.

We use vertically integrated processes and the latest technology to fine-tune every project to exact specifications, and we communicate with clients every step of the way. From the production of high-tolerance parts to in-house quality tests, we offer an unparalleled precision manufacturing experience.


Precision Machining

With decades of experience and cutting-edge technology, we take on the industry’s toughest challenges at our machine shop in St. Louis.


From simple builds to multi-stage projects, Seiler approaches every assembly with unparalleled precision.

Quality Testing

We design and implement unique testing systems for all assemblies and products to live up to our promise of world-class quality.

Repair & Refurbishment

Our team specializes in the inspection, repair, overhaul and refurbishment of complex assemblies and instrumentation — giving our partners lasting value.

We pursue new opportunities with passion.

Seiler is actively looking for new markets and applications for our advanced manufacturing capabilities.