Since 1968, Philadelphia-based C-Lec Plastics has manufactured Rexolite®, its distinctive cross-linked polystyrene microwave plastic, while providing custom fabrication and specialized plastics distribution. The company developed stress-free thick sheets and large-diameter rods and continues to refine Rexolite production through research, development, and computer-controlled processes. Rexolite is used where stable electrical performance, microwave transparency, and precise machinability matter, including high-frequency electronics and aerospace applications.
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Westlake PlasticsFounded in 1951, Westlake Plastics converts more than 20 types of thermoplastic resin into semi-finished shapes for demanding applications. From Pennsylvania production facilities, the company serves customers worldwide and is particularly experienced in regulated fields such as aerospace, life sciences and semiconductor manufacturing. Its history includes early contributions to Hula Hoops, while its current work includes custom material development and specialized shapes for small prototype lots through high-volume production.LENNI, PA
PexcoSince 1970, Atlanta-based Pexco has grown into a multi-plant manufacturer of specialty plastic components, combining custom extrusion with precision injection molding and machining. Its particular strength is working with demanding high-performance polymers, using in-house engineering, tooling and industrial CT scanning to make complex parts for applications ranging from medical devices and semiconductors to aerospace and traffic infrastructure. Pexco employs roughly 500 people across facilities in the United States and Mexico and operates under ISO 9001 quality systems.CINCINNATI, OH
E & T Plastics Mfg. Co., IncSince 1945, E & T Plastics Mfg. Co., Inc. has combined plastic distribution with custom fabrication, producing component parts and acrylic products for prototypes through high-volume runs. Its capabilities include six multi-head CNC routers and CO2 laser equipment that cuts acrylic up to one inch thick, while the company also supplies specialty sheet materials such as 100% post-consumer recycled acrylic. With locations across the United States, E & T has provided plastic manufacturing services for more than 75 years.AKRON, OH
HighLine PolycarbonateSince its 2008 founding in Philadelphia, HighLine Polycarbonate has developed custom thermoplastic sheet products for manufacturers whose requirements exceed standard distributor specifications. The company pairs relationships with resin, additive and coating manufacturers with detailed knowledge of sheet extrusion, helping customers develop unusual materials such as laser-blocking polycarbonate and tightly controlled specialty sheet. HighLine also builds customer-specific quality programs and provides technical support for demanding applications.PHILADELPHIA, PA