For more than 85 years, Maryland Plastics has made thermoplastic products through multi-injection molding at its Federalsburg manufacturing facility on Maryland’s Eastern Shore. The 244,000-square-foot operation employs 100 people and produces durable serving ware and party pieces while also taking on custom molding projects, from medical parts to complex multi-phase designs. Its sustainability program includes local purchasing, conservation efforts, environmentally friendly products, and comprehensive waste management.
Mercury Plastics Inc. – MdFounded as Maryland Thermoform, Candle Packaging USA, and Quake Scientific in 1984, Mercury Plastics Maryland manufactures custom thermoformed and fabricated plastic parts in Baltimore. Acquired by Mercury Plastics Inc. in 2020, the Maryland operation combines more than 30 years of local experience with vertically integrated, wholly American-made production, taking projects from prototype through manufacturing and shipping. Its work includes specialized applications for government and military customers as well as high-volume consumer packaging, under ISO 9001 Design certification.MIDDLEFIELD, OH
PlaskoliteFounded in Columbus, Ohio, in 1950 by Donald Dunn, Plaskolite has grown from a plastic-sheet maker into a global manufacturer of engineering thermoplastics. The company pairs large-scale production with customer-specific fabrication and specialized optical molding, including clean, climate-controlled injection molding with presses up to 550 tons. Plaskolite also emphasizes responsible manufacturing, with some sites recycling 50% to 80% of their waste and reducing disposal by more than 70%.COLUMBUS, OH
SSI Custom PlasticsFounded in 1974 as Sailing Specialties Inc., SSI Custom Plastics has grown from a four-employee sailboat maker into a 100-person Maryland manufacturer known for custom thermoforming. Its in-house team helps manufacturers turn early concepts into finished plastic components, with experience spanning marine work and demanding medical applications. During the COVID-19 response, SSI produced more than 1.86 million face shields for Maryland and healthcare workers nationwide.HOLLYWOOD, MD
Enterprise Plastics, IncEnterprise Plastics, Inc. is a plastics product development and manufacturing facility offering injection molding, product decorating, assembly, packaging, and delivery. It processes commodity thermoplastics, engineering resins, biodegradable and sustainable materials, and exotic materials, supporting projects from concept development through production.KENT, OH