About Us
Women-owned. ISO certified. Built on precision.
Magnum Mfg, Inc. is a women-owned, ISO 9001-2015 certified metal stamping and light assembly manufacturer located in Erin, Tennessee. We have been serving industrial customers with precision, reliability, and a commitment to quality for decades.
135–1600T
Press tonnage range
ISO 9001
Quality certified
WBENC
Women's business certified
Erin, TN
Headquartered
WBENC Certified Women's Business Enterprise
Magnum Mfg, Inc. is proud to be a Certified Women's Business Enterprise through the Women's Business Enterprise National Council (WBENC). This certification reflects our commitment to diversity and our standing as a trusted, independently verified women-owned business in the manufacturing sector.
ISO 9001-2015 Certified
Our ISO 9001-2015 certification means every process — from tooling design to final inspection — is governed by a rigorous quality management system. We hold ourselves to the highest international standards so our customers can count on consistent, defect-free parts every time.
Metal Stamping & Light Assembly
We operate a full press room with presses ranging from 135 to 1600 tons, giving us the flexibility to handle a wide variety of metal stamping applications — from small precision blanks to large structural components. Our light assembly capabilities allow us to deliver complete, ready-to-install parts.