Safety and Innovation Backed By Experience

Southwire is your full solutions provider for passenger and freight rail products and solutions. Whether you need Overhead Contact System (OCS) products, DC traction power feed for OCS and third rails systems, station and tunnel power and lighting products, signaling, or installation tools and equipment; Southwire has you covered. Our wire and cable products are proudly manufactured in the U.S.A. The Douglas, GA facility is the heart of wire and cable production for the mass transit vertical and one of Southwire's 13 U.S manufacturing sites.
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Mass Transit Conductors

Southwire has a longstanding history of developing and providing cable and wire solutions to electrify the various mass transit systems in the USA.  From Overhead Contact Systems (OCS) to Traction Power cables, offerings such as our innovative SouthWear Contact Wire and High Temp Traction Power Cables are designed to meet today's changing system demands, maximizing system integrity and uptime.

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Battery Electric Bus Infrastructure
Level 3 DC Fast Charging

Southwire's BEB Fleet Electrification cable selection encompasses our proprietary PantoFLEX™ Charging Tray Cable, along with a range of single and multi-conductor cables. These cables are engineered to deliver power across various methods for bus charging installations throughout North America, providing economical solutions for fleet electrification.

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OCS Hardware by Kummler + Matter

Southwire has partnered with K+M to supply over 400 widely-used, specialty components including superior quality KUSEC and KULOOP products trusted for years by the transit industry. We are a North American supplier of K+M’s KUPRO de-icing system for the prevention of ice build-up on OCS systems. 

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Southwire Transit Products
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Get Your OCS Orders Faster with Southwire SPEED ™ Services. Read more below!

Southwire partners with Mosdorfer to provide Tensorex C+ Spring Tensioners for auto-tensioned OCS systems of North America.

Commitment to Sustainability

We collaborate with our customers to enhance product transparency and support LEED certification efforts. Southwire is a U.S. Green Building Council (USGBC) Member. Over 100 of our products have independently verified Environmental Product Declarations (EPDs), representing over 90% of our wire and cable product categories sold.


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At Southwire, we seek to discover, develop and distribute strong and sustainable solutions that exceed expectations. We leverage five core tenets that guide and ground our efforts: Growing Green, Living Well, Giving Back, Doing Right, Building Worth.




Achieving The Copper Mark demonstrates the highest standard of responsible production in the copper industry, a commitment to continuous improvement, and contribution toward the UN Sustainable Development Goals. Three of Southwire’s manufacturing sites – Denton, TX; Bremen, IN; Lafayette, IN - have received The Copper Mark. 


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KUPRO De-Icing Systems

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Southwire CableTechSupport Services

Southwire’s CableTechSupport™ Services team, comprised of engineers with expertise in power, electrical, mechanical, civil, chemical, polymer science, industrial, and nuclear engineering, has the depth of skill and the ability to respond with innovative solutions for your most complex and mission-critical wire and cable challenges. 

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