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PRECISION
TURNKEY METAL STAMPING
Full-Service Engineering Design and Tooling Services
Integrate formed components with in-die or post-process features—engineered for precise fit, single-source efficiency, and ready-to-run performance.
STAMPED ASSEMBLIES
Precision-stamped for optimal conductivity, with tight tolerances, trusted materials, and scalable delivery for power distribution systems.
BUSBARS
Mission-critical stamped parts, built to exacting specs, with verified compliance and repeatable performance under pressure.
MILITARY FUZING
Stamped for high-density microelectronics, combining intricate layouts, material traceability, and automation-ready consistency.
LEAD FRAMES
Precision-formed for electrical connectivity, combining design accuracy, supplier reliability, and production efficiency.
TERMINALS
Precision-stamped for reliable signal protection, with tight-fit designs, certified materials, and high-volume production readiness.
EMI/RFI SHIELDS
Stamped and formed for precision force control, offering custom profiles, fatigue resistance, and high-repeatability for demanding assemblies.
SPECIALTY SPRINGS
Stamped components built for durability and strength, combining engineered form, consistent output, and integration-ready formats for high-usage environments.
INDUSTRIAL PRODUCTS
Stamped to tight tolerances for secure mechanical or electrical connections, ensuring stable fit, material integrity, and high-volume repeatability.
PRESS-FIT PINS
Built for signal and power transfer reliability, with precise mating geometry, validated materials, and assembly-line readiness.
CONNECTORS
Engineered for micro-precision in foil gauges as low as 0.001”, delivering high accuracy, edge quality, and consistent form for compact electronic and shielding applications.
ULTRA-THIN FOIL
STAMPED PARTS
What We Do
Gromax delivers full-service manufacturing support—from initial concept through high-speed production.
Whether you’re designing complex metal parts or sourcing ultra-precise stampings, we bring it all together under one roof.
Engineering Design & Pre-Production
Our engineering team works alongside yours to optimize designs, prevent downstream issues, and ensure every part is built for performance and manufacturability.
RAPID PROTOYPING
Bring your concepts to life with functional, high-fidelity prototypes built using the same tools, materials, and tolerances as full production.
Tool & Die Design + Manufacturing
We design and build Class A progressive, compound, and Bihler dies in-house—engineered to deliver tight tolerances, high uptime, and long-term value.
PRECISION METAL STAMPING
From micro-formed components to dual-material busbars, Gromax delivers high-volume stamped parts with unmatched repeatability and in-die process integration.
Assembly & Secondary Operations
We go beyond stamping by offering in-house value-added operations that finish, assemble, and prepare your parts for the next step in your supply chain.
Quality Assurance & Lifecycle Support
From first article to full-scale production, Gromax ensures your parts meet the highest standards—backed by certified inspection and proactive tool maintenance programs.
Who We Serve
Whether you design it, source it, or keep it running, Gromax helps you get it right.
See how our capabilities are purpose-built to solve your biggest design, sourcing, and production challenges.
Product Design Engineers
From tight tolerances and exotic materials to in-die insertions and stamped foils, Gromax gives design engineers real-world feedback and production-ready results—early in the process.
Procurement & Supply Chain Professionals
Reduce vendor count, improve delivery performance, and simplify sourcing with Gromax’s vertically integrated, certified precision manufacturing solutions.
Production & Quality Control Teams
Gromax delivers consistent, production-ready components and Class A tooling that keeps your lines running, your QA satisfied, and your team ahead of downtime.
Industry Experience
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.
ELECTRICAL & POWER
For high-current, high-precision applications—our stamped components keep power flowing and systems protected.
ELECTRONICS & SENSORS
From lead frames to EMI shields, we support electronics that demand speed, miniaturization, and reliability.
DEFENSE & AEROSPACE
Built for extreme environments, our stamped components meet the demands of aerospace and defense programs.
MEDICAL DEVICE & EQUIPMENT
From surgical staples to sensor-ready inserts, we manufacture components trusted in mission-critical medical devices.
INDUSTRIAL MACHINERY
From automation to control systems, Gromax supplies the components that hold it all together.
MOLDING-INTEGRATED APPLICATIONS
Gromax supports complex molding programs with flatness-controlled, formed, and plated inserts ready for production.
Why Trust Gromax
Precision You Can Trust
We manufacture parts with tolerances as tight as ±0.0001″ (2 microns), supporting high-reliability programs in aerospace, medical, electronics, and power systems.
End-to-End Tooling & Stamping Integration
From CAD to press line, we keep everything under one roof—minimizing lead time, maximizing control, and simplifying your supply chain.
ITAR Registered & CAGE Code Verified
ITAR registered and listed under CAGE Code 77J36, making us a trusted partner for U.S. defense and aerospace manufacturing programs.
ISO 9001:2015 Certified
Certified to ISO 9001:2015 (Certificate #G022818), ensuring traceability, process discipline, and confidence in every part we produce.
Made in the USA
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
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
Let's Build What's Next!
Need help with a new part, a tooling rebuild, or a quote for stamped components?
Let us know where you are—we’ll meet you there.