From circuit protection devices and LiDAR sensor modules to artillery fuzes, surgical tools, and overmolded connectors, Gromax delivers high-precision metal components that drive, shield, and integrate today’s most advanced technologies.
We manufacture parts with tolerances as tight as ±0.0001″ (2 microns), supporting high-reliability programs in aerospace, medical, electronics, and power systems.
From CAD to press line, we keep everything under one roof—minimizing lead time, maximizing control, and simplifying your supply chain.
ITAR registered and listed under CAGE Code 77J36, making us a trusted partner for U.S. defense and aerospace manufacturing programs.
Certified to ISO 9001:2015 (Certificate #G022818), ensuring traceability, process discipline, and confidence in every part we produce.
All design, tooling, stamping, and quality processes are done in our Wisconsin facility—using U.S.-sourced materials for faster turnaround and tighter compliance.
99.68% On-Time Delivery, 0.066% Defect Rate
We know your production schedule depends on ours. Our systems, tooling practices, and team culture are built to keep yours running.t
Partner with Gromax for proven precision, on-time delivery, and end-to-end production capability across every market we serve.