Our mission is to shape the future of power and data. Our components are the building blocks creating a smarter, more sustainable world.
North America's trusted busbar supply partner. 25 years. Three plants. Built for OEM reliability.
IMMSA manufactures copper and aluminum busbars and bushings for the electrical OEMs that power North America’s grid infrastructure. ISO 9001:2015 certified. ASTM B187 and IEC 61439 compliant. In-house tin and silver plating. Epoxy coating available.
Our Products
Our components are the building blocks creating a smarter, more sustainable world. We produce busbar, bushings, and power components for the electrical, data, and mobility industries.
Busbars
Bushings
Connectors
Flexible & Laminated Busbars
Our History
PRECISION MANUFACTURING FOR NORTH AMERICA’S ELECTRICAL OEMS.
Your Trusted Partner in Manufacturing Excellence.
IMMSA has manufactured copper and aluminum busbars and bushings since 1999. What began as a metals trading operation evolved into a dedicated manufacturing platform with three ISO 9001:2015-certified plants in Mexico City, San Luis Potosí, and Monterrey, serving electrical OEMs across North America with uninterrupted production for more than 25 years.
Our Value Proposition
Every program starts with your drawing and ends with a documented first-article inspection report. Three ISO 9001:2015-certified plants across Mexico. Direct access to copper mills for C110, C101, and C145 material. Tin plating, silver plating, and epoxy coating in-house. One contact from RFQ to delivery.
Crafting Customized Solutions with Precision
With a global network of copper mills and direct access to the planet's leading raw materials, we build each busbar, bushing, and connector upon a foundation of world-class materials.
World-class materials
25 years supplying electrical OEMs across North America. ASTM B187 and IEC 61439 compliant. Serving switchgear, transformer, and EV battery manufacturers operating under demanding delivery and quality requirements.
Unmatched Experience
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Strategically positioned across the USMCA highway, from Texas to Mexico State, our locations guarantee minimal supply chain disruption, low response times, and seamless distribution.
Effortless supply chains
A legacy of excellence spanning 25 years
Where Innovation Meets Reliability
With a quarter-century of expertise, we have built our legacy on delivering innovative solutions safeguarded by our ISO certifications. To the world, we provide custom metal parts; to our clients, we are the undisputed experts in copper and aluminum busbars, connectors, and bushings.