
About Us
Since 1960, the Phasemaster® brand has been the world’s legendary 3 phase converter brand. Since 1972, Kay Industries has helped tens of thousands of people successfully convert single phase power into three phase distribution. From static, rotary, and digital phase converters to autotransformers and drives. Kay Industries is here to help.
Call Us
(574) 236-6220

Rob Rohena
CEO
Brand Story: Powering Possibility
Kay Industries – Phase Converter Company History
We began with a bold idea: that the future of energy could be smarter, cleaner, and more connected. In a world increasingly reliant on efficient power systems, we saw an opportunity to lead—not just in innovation, but in impact.
Our journey started with a deep focus on three-phase technologies, the backbone of industrial and commercial power. From generation to storage, management to usage, we set out to rethink every phase of the energy cycle. The goal? To create solutions that don’t just meet today’s demands but anticipate tomorrow’s challenges.
We’re more than engineers and technologists—we’re partners in progress. Every product we build, every system we design, and every relationship we nurture is driven by our commitment to excellence, sustainability, and long-term value. Whether it’s powering a factory floor, optimizing a smart grid, or enabling a cleaner energy transition, we’re shaping a future where technology works in harmony with people and the planet.
This is our story. It’s one of relentless innovation, trusted collaboration, and a vision for a better tomorrow—powered by three-phase brilliance.
1972
Exclusivity
In 1960 the Phasemaster® became to 1st commercially sold 3 phase rotary converter. In 1972, Kay Industries became its exclusive manufacturer.
1980
Automatic Controls
Kay Industries pioneers automatic controls for rotary phase converters.
10000+ Converters
Kay Industries sells its 10000th 3 phase conversion product.
2024
Digital Converters
Kay Industries adds digital phase converters to product line of expertise.
Powering the Future with Three-Phase Innovation
As the global leader in three-phase power innovation, Kay Industries is transforming 3-phase energy systems through cutting-edge technologies that empower industries, enhance sustainability, and create a smarter, more connected world for generations to come.
🚀 Mission Statement
Our mission is to deliver top-rate customer service, exceptional value, foster enduring partnerships, and shape the future of technology for a better tomorrow. We are committed to developing and scaling innovative three-phase power technologies that revolutionize how we generate, store, manage, and utilize electrical energy—empowering industries and communities with smarter, more sustainable 3 phase solutions.
💡 Core Values
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Innovation: We embrace creativity and forward-thinking to pioneer transformative technologies in three-phase power systems.
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Integrity: We act with honesty, transparency, and accountability in everything we do.
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Collaboration: We build lasting partnerships through trust, respect, and shared goals.
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Excellence: We strive for the highest standards in our products, services, and performance.
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Sustainability: We are committed to energy solutions that protect the planet and promote long-term well-being.
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Customer-Centricity: We listen, adapt, and deliver solutions that truly meet the needs of our clients and communities.

⚡ Company Manifesto: Powering the Future, Together
We believe energy is more than electricity—it’s the force that drives progress, possibility, and purpose. In a world defined by complexity and urgency, we choose clarity, innovation, and impact.
We are builders of the future. Our mission is to transform how the world generates, stores, manages, and uses three-phase power. Not just for efficiency—but for resilience, sustainability, and equity. We see every challenge as a spark for invention, every partnership as a catalyst for change.
We reject the status quo. We challenge outdated systems, question assumptions, and engineer solutions that scale. Our technologies are designed not just to perform—but to empower. To make industries smarter, communities stronger, and the planet healthier.
We are relentless in our pursuit of excellence. We honor integrity, embrace collaboration, and never settle for “good enough.” Our work is guided by purpose, fueled by curiosity, and grounded in the belief that better is always possible.
This is our manifesto. A declaration of who we are, what we stand for, and the future we’re creating—one phase, one breakthrough, one partnership at a time.