Keylink is an American manufacturer of aluminum railing systems for residential and commercial installations. At its Pennsylvania plant, the company carries out design, research and development, engineering, and manufacturing in-house, and coats its products in its own powder-coating facilities. It serves contractors and building-material dealers through product education and ongoing training.
PCI-4000 Certified
AAMA 2604 Standard Coating
Compliance program
AAMA 2605 Standard Coating
Compliance program
HDI Railing SystemsFounded in 2002, HDI Railing Systems is a Pennsylvania manufacturer known for taking architectural railing projects from early design through production and, when needed, installation. Its U.S.-made systems are used in commercial and residential buildings worldwide, with professional engineers and architect-led support helping tailor projects to their surroundings and building-code requirements.238990COLUMBIA, PA
Superior Aluminum ProductsSince 1956, Superior Aluminum Products has made custom architectural railing, columns, and fencing, assembling its systems in Ohio for projects ranging from homes to civic facilities. Founded in Youngstown and relocated to Russia in 1967, the company remains family-owned, with third-generation Francis family leadership and a 100,000-square-foot manufacturing facility expanded again in 2024. Its project work runs from shop drawings through delivery, with railings built to exact site specifications for straightforward installation.RUSSIA, OH
Keymark CorporationKeymark Corporation manufactures aluminum extrusions at facilities in Fonda, New York, and Lakeland, Florida. Its Fonda operation began production in 1965, and the privately held company has remained under Keller family leadership across generations. Keymark is particularly established in building and architectural products, with in-house die engineering and extensive finishing capabilities.FONDA, NY
Brozko IncBased in Erie, Pennsylvania, Brozko Inc. designs, engineers, fabricates, and installs custom railings for commercial and residential properties. The company fabricates its railings in-house and brings more than 20 years of experience to projects ranging from local work to customers in 48 states. Its team works closely with clients to create railings that balance safety, durability, and the character of each property.ERIE, PA