Custom Hardware Solutions

Custom hardware solutions

Comprehensive Manufacturing Expertise for Every Application.

For more than 40 years, Sullivan has partnered with window and door manufacturers to design and build hardware components that meet the highest standards for performance, precision, and reliability. From concept through completion, our sales and engineering teams collaborate with you to create new products, modify existing designs, or replicate legacy parts with improved functionality and efficiency.

Our Capabilities

Built Around Your Design, Performance, and Production Needs.

Our factories leverage the latest materials, technologies, and fabrication methods to deliver hardware solutions that integrate seamlessly with your systems. Whether you need standard assemblies or fully custom-engineered components, Sullivan delivers craftsmanship and consistency at scale.

Aluminum, Zinc + Brass Die Casting

We produce durable, high-tolerance castings with smooth finishes and tight dimensional control—ideal for complex parts that demand both strength and precision.

Composite Injection Molding, Insert Molding, Over Molding

Our molding processes combine advanced materials and reinforced designs to deliver lightweight, corrosion-resistant components that maintain structural integrity and performance.

Aluminum Extrusions

Custom extrusions are crafted for flexibility, allowing for intricate profiles and seamless integration into a wide range of window and door applications.

Roll Forming

We provide consistent, high-quality roll-formed parts that achieve uniform strength, shape accuracy, and cost efficiency across large production runs.

Metal Stampings

Our stamping operations produce detailed, repeatable components using advanced tooling that ensures precision and consistency.

Powder Coat + Wet Paint Options

We offer a range of finishing options designed for aesthetic appeal and long-term corrosion resistance, tailored to your product’s specific performance environment.

Anodizing + Plating

Protective finishes enhance both appearance and durability, delivering improved wear resistance and lasting surface integrity for metal parts.

Kitting + Fabrication

Streamline your supply chain with fully assembled or packaged kits, ensuring faster installation and efficient project fulfillment.

Connect with Us

Let’s Build Something Exceptional.

From material selection to final assembly, Sullivan’s team is ready to engineer hardware that fits your exact requirements. Collaborate with us to create reliable, high-performing components that strengthen your systems and simplify production.