Founded in Oostburg in 1967 by Bill and Nancy Claerbout, Dutchland Plastics makes large custom plastic products through high-volume rotational molding. The company handles projects from engineering through assembly and shipping, with the capacity to produce parts up to 500 pounds and 17 feet long. Its nearly 200,000-square-foot Wisconsin operation is complemented by a facility in Canastota, New York.
Granger Plastics CompanySince its founding in 1994 by rotomolding veteran John Grimes, Granger Plastics Company has built its identity around difficult custom work for OEMs and manufacturers. The independently owned Middletown company is one of the few North American molders focused on large, complex parts, with in-house tooling supporting projects from concept through production. Its engineering-driven approach has also produced signature applications such as the Granger ISS underground tornado shelter.MIDDLETOWN, OH
PolyFlex, IncLocally owned and operated in Walworth, Wisconsin since 1973, PolyFlex makes large and small industrial plastic parts through blow molding, with a particular focus on products weighing 20 pounds or more. Its 13 large-part machines—including three 75-pound presses—give the company unusual capacity for demanding, large-scale projects. PolyFlex also developed patented blow-molded wheel systems, including its tool-free Snap-On design, backed by a 10-year warranty.EDGEWOOD, NY
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
Formed Plastics, IncFounded in 1946, family-owned Formed Plastics makes custom plastic components through rotational molding, thermoforming, and fabrication at its 85,000-square-foot Long Island facility. The third-generation company is also known for developing nearly unbreakable plastic streetlight globes in the 1960s, now used by municipalities across the country. Its quality system is certified to ISO 9001:2015 and AS9100D.CARLE PLACE, NY