Founded in 1985, York Imperial Plastics is a second-generation, family-owned manufacturer in York, Pennsylvania, known locally for treating workforce development as part of its manufacturing mission. The company regularly opens its facility to students and educators, creating hands-on pathways into modern manufacturing through plant tours, internships, and school partnerships. Its core work is custom plastic injection molding for customers who need production support from an experienced Pennsylvania manufacturer.
ISO 9001:2015
Covington Plastic MoldingFounded by the Covington family in 1998, Covington Plastic Molding is a South Central Pennsylvania manufacturer of custom injection-molded plastic components, with in-house mold design and secondary operations. The company supports projects from prototypes and small runs at its New Oxford facility through high-volume production at its York facility, while its warehouse also handles customer storage and logistics needs. Founder Steve Covington brought decades of plastics experience, including helping design an automatic mold-changing injection machine, and his sons James and Scott remain part of the company’s leadership.YORK, PA
Northeastern PlasticsWomen-owned and family-operated since 1982, Northeastern Plastics is a Pennsylvania manufacturer known for serving small- to medium-run production needs. From its 100,000-square-foot Old Forge facility, the company produces custom molded plastic parts while supporting customers with in-house prototyping.OLD FORGE, PA
Erie Industrial PlasticsFounded by Mark F. DiPlacido in 1994 as a one-man garage shop making model-railroad display cases, Erie Industrial Plastics now fabricates and distributes custom plastic components from a 17,000-square-foot facility in Erie, Pennsylvania. The company combines material guidance with close-tolerance machining, bending, thermoforming, and finishing for regional manufacturers and commercial customers. EIP is particularly known for producing hundreds of polycarbonate machine guards each year while continuing to serve projects ranging from OEM parts to custom displays.ERIE, PA
Port Erie PlasticsFamily-owned Port Erie Plastics has molded custom plastic parts in Harborcreek, Pennsylvania, since Henry J. Witkowski founded the company with one injection molding machine in 1953. Today, its 615,000-square-foot complex supports nearly 90 molding machines and about 400 full-time employees, with particular depth in large-part and structural foam production for high-volume OEM programs. An in-house tool room and dedicated project engineers carry programs from mold build or transfer through long-term manufacturing.HARBORCREEK, PA