At Sullivan, we design and manufacture precision hardware components that elevate the performance, reliability, and appearance of door and window systems. With decades of experience and a commitment to engineering excellence, our team partners with manufacturers and fabricators to provide solutions that meet your exact specifications—from standard parts to fully customized designs.
Every product we create is built with long-term durability, ease of installation, and seamless function in mind. Our focus on innovation ensures that each component we produce enhances both the strength and the style of your finished system.
Whether you’re sourcing for residential, commercial, or specialty applications, Sullivan delivers the expertise, materials, and manufacturing capabilities to make your products stand out.
At Sullivan, we’ve tooled more than 5,000 parts—each designed to meet the unique needs of our customers. If you don’t see exactly what you need, our Design Engineers can build it for you. With in-house design, global sourcing partnerships, and comprehensive support, we deliver custom-engineered hardware solutions that perform with precision.
Built for both entry and interior applications, our door hardware delivers precision performance and lasting durability. Each component is crafted to ensure smooth operation, dependable strength, and refined style for every opening.
Our window hardware is designed for smooth operation, reliable sealing, and structural integrity across diverse materials and styles. Every solution enhances efficiency, security, and long-term performance in residential and commercial systems.
Engineered for seamless fit and function, our screen hardware delivers strength, ease of assembly, and reliable protection. Each part is built to perform under daily use while maintaining a clean, durable finish.
When your design calls for something unique, our engineers collaborate to develop hardware built to your exact specifications. We turn complex ideas into precision components ready for production and performance.
Our impact-rated hardware combines strength, safety, and reliability for demanding environments. Designed to resist force and weather extremes, each component performs under pressure without compromising style.
Step inside the Sullivan Hardware workshop as our team unveils a major advancement in sliding glass door technology — the new True Adjust Under Load Roller. This patented design allows installers to easily adjust doors up to 400 pounds without lifting the panel, solving one of the industry’s biggest challenges.
Watch how Sullivan’s precision engineering and real-world testing continue to raise the standard for performance, reliability, and installation efficiency.
Collaborate with our engineering and sales experts to develop hardware built for performance, reliability, and innovation. Let’s design the perfect fit for your next project.