Top 13 Injection Molding Manufacturers in New York 2026

Alliance Precision Plastics

Rochester, New York

Founded in 1947 in Rochester, New York, as a tooling and stamping die supplier, Alliance Precision Plastics has evolved into a contract manufacturer with a second facility in Spindale, North Carolina. The company operates over 242,500 square feet of manufacturing space across both locations.

Formed Plastics, Inc.

Carle Place, New York

Formed Plastics, Inc. was founded in 1946 by Thomas J.

Empire Precision Plastics operates from Rochester, New York, where it was founded in 1992. The company is led by Chief Executive Officer Joe Buonocore, who began his career as a machine operator and later held profit-and-loss responsibility for a global injection molding business.

Hansa Plastics

Kings Park, New York

Hansa Plastics was founded in 1959 in Queens, New York, by Peter Schmidt Sr., a master tool maker from Hamburg, Germany. The family-owned business relocated to Kings Park on Long Island's North Shore, where it operates today under the leadership of Schmidt's sons.

Oneida Molded Plastics, LLC

Oneida, New York

Oneida Molded Plastics, LLC (OMP) was founded in 1964 in Oneida, New York, initially molding electrical and television components for companies such as General Electric and General Instrument. The company moved to its present Oneida location in 1968 and expanded over the decades.

Plastik USA

Plainview, New York

Plastik USA, a family-owned business with over 15 years of experience, operates from its headquarters in Plainview, New York, while maintaining a 400,000-square-foot manufacturing facility in Ningbo, China. The company also runs branch offices and warehouses in New York to support domestic distribution.

AROS Group - Luxury Packaging

New York, New York

AROS Group, formerly known as JUJIN NY, operates as a luxury packaging manufacturer headquartered in New York, New York. The company maintains a global presence with offices in Paris, Milan, London, Dubai, Shenzhen, Shanghai, São Paulo, Mexico City, and Singapore, and describes its manufacturing footprint as an integrated network of factories spanning Paris, Shanghai, Milan, and New York.

BST PLASTICS AND MOLDING

Farmingdale, New York

BST Plastics and Molding, operating as BST United Corp., is headquartered in Farmingdale, New York. The company runs a manufacturing facility that houses fifteen plastic injection molding machines operating around the clock, supported by an in-house toolroom equipped with high-speed CNC mills.

Sterling Molded Products Inc

Middletown, New York

Sterling Molded Products operates from Middletown, New York, a suburb of New York City. In-house capabilities include tooling and moldmaking supported by three CAD/CAM and CNC systems and EDM machines, as well as molding machine automation and robotics.

Dynamic Plastics operates from a facility at 51 Floyds Run in Bohemia, New York. The company has been active in the plastics industry for over two decades, though a specific founding year is not published.