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Trusted Industrial Wire & Cable Manufacturing Since 1878
Founded in 1878, The Okonite stands as America's oldest independent manufacturer of wire and cable. With six U.S.-based manufacturing facilities and a nationwide network of 23 sales offices, we serve diverse industries including electric utilities, oil & gas, railroads, and renewable energy. Our expertise spans from 300V to 345kV insulated cables, utilizing advanced materials like Okoguard EPR. As an employee-owned company since 1976, we maintain rigorous quality standards through in-house R&D, compounding, and a dedicated applications engineering team.Our commitment to innovation is demonstrated through partnerships with early pioneers like Edison and ongoing investments in modernization programs. We provide tailored solutions for critical infrastructure projects while maintaining a focus on environmental sustainability and customer-centric service.
Services
Medium Voltage Cables
High Voltage Cables
Instrumentation Cables
Renewable Energy Cables
Railroad Transit Cables
Industrial Power Cables
Control Cables
Medical Cables
Highlights and features
- We offer 145+ years of specialized expertise in wire and cable manufacturing
- Our nationwide network includes 23 sales offices and 5 service centers
- We maintain complete quality control through in-house material compounding
- Our employee-owned structure ensures dedicated customer service since 1976
- We serve critical infrastructure markets with 100% U.S.-made products
Services
Medium Voltage Cables
Our medium voltage cables handle 2.4kV to 345kV applications with precision-engineered insulation systems. These cables utilize advanced materials like Okoguard EPR for superior performance in power distribution networks. Designed for reliability in demanding environments like utility infrastructure and industrial facilities.
High Voltage Cables
We manufacture high-voltage cables exceeding 345kV with specialized insulation technologies for transmission systems. These cables meet strict industry standards for long-distance power transmission projects. Our solutions incorporate laminated polypropylene paper and thermosetting compounds for optimal conductivity and durability.
Renewable Energy Cables
Our renewable energy cables are engineered for wind farms, solar installations, and biofuel facilities. These specialized cables withstand extreme environmental conditions while maintaining efficient power transmission. Designed to meet evolving clean energy infrastructure requirements with proven reliability in alternative energy applications.
Railroad Transit Cables
We provide specialized cables for railroad and transit systems with fire-resistant properties and mechanical durability. These cables meet strict safety standards for signaling, power distribution, and control systems in mass transit applications. Engineered for longevity in demanding rail environments.
Industrial Power Cables
Our industrial power cables serve chemical plants, refineries, and manufacturing facilities with robust insulation systems. These cables withstand harsh operating conditions while maintaining electrical integrity. Designed for reliable power distribution in industrial settings with demanding performance requirements.
Questions
What industries does Okonite serve?
We serve electric utilities, oil & gas, chemical, military, railroad, transit, pulp & paper, hospitals, universities, water treatment plants, data centers, and renewable energy sectors.
Where are Okonite products manufactured?
All products are 100% made in the USA across six manufacturing plants in Rhode Island, New Jersey, South Carolina, and California.
Does Okonite offer technical support?
Yes, we provide applications engineering support and maintain an online Engineering Handbook with comprehensive cable information resources.
What quality standards does Okonite maintain?
We operate a comprehensive Quality Assurance Program with managed services for EPR underground distribution, transmission, railroad/transit, industrial, and medical cable markets.
How can I access product specifications?
Our complete product catalog and technical documentation are available online, including the Master Catalog and Stock Catalog of in-stock cables.
Does Okonite have international sales capabilities?
Yes, we have international sales offices serving Canada, Latin America, Europe, Middle East, Africa, and Asia through our Houston-based export team.
