Harris Pattern Works produces foundry patterns and core boxes, metal castings, architectural concrete molds and mold inserts, fiberglass molds and models, and CNC-cut signage. The company also provides pattern and tooling engineering, including 3D models, CAD drawings, and reverse engineering, and has served the aerospace industry.
Ketco IncorporatedKetco Incorporated is a full-service pattern and model shop providing CNC-produced patterns, molds, models, prototypes, engineering models, fixtures, and fabrication services. Its capabilities include CNC machining, composite tooling, welding, prototyping, CAD design, laser scanning, 3D printing, and architectural forms for aerospace, transportation, medical, agriculture, consumer products, architectural, advertising, composites, and Department of Defense applications.BEAVERCREEK, OH
Lorain Modern Pattern, IncFor more than three decades, Lorain Modern Pattern, Inc. has built custom patterns, prototypes, models and production masters in Elyria, blending traditional journeyman patternmaking with CNC machining and modern CAD/CAM tools. Its work ranges from foundry and molding tooling to low-volume parts and reverse-engineered replacements, including simulation models made for NASA’s John Glenn Space Research Center. The company says its craftsmanship and customer relationships have earned it a strong reputation across two generations.ELYRIA, OH
Areion3DAreion3D provides high-quality, tool-less investment casting patterns for the lost wax foundry industry, along with a wide range of engineering and additive manufacturing services.LEBANON, PA
Maumee Pattern CompanyFounded in 1915 and acquired by the Neuman family in 1968, Toledo’s Maumee Pattern Company designs and manufactures foundry tooling for complex castings. The company combines more than a century of patternmaking experience with modern CAD/CAM design, CNC machining, and reverse-engineering capabilities, and supports customers with nationwide tooling service. Maumee Pattern is ITAR certified and aligns its cybersecurity program with CMMC Level 2 requirements for defense-related and other sensitive work.TOLEDO, OH