Cornerstone Management Solutions is one of the top search firms in the nation specializing exclusively in the Plastic and Polymer industry. WE HIRE Polymer ScientistPolymer ChemistPolymer EngineerMaterial Scientist & ManagerProduct Development & ManagerProcess Engineer & ManagerQuality Engineer & ManagerMechanical Engineer & ManagerElectrical Engineer & ManagerR&D ManagerPlant ManagerEngineering ManagerSales/Sales ManagerProcess ExpertiseVP's CEO's and PresidentsSPECIALTIES Plastic Injection Blow CompressionRotational RIM Insert ThermoplasticThermoset Extrusion Blow StretchFoam Gas-Assist Decoupled RJGEpoxy Resins Nylon PolycarbonatePolyethylene Polyester PMMAPolyurethane Polystyrene PVC SBSRubber Silicone PTFE PolymersPolypropylene Polyvinyl AcetalPolyacrylates Polyacrylonitrile PANPolyamide PA Nylon. Polyamide-imidePAI Polyaryletherketone PAEKKetone Polybutadiene PBDPolybutylene PB Polycarbonate PCPEEK Polyetherimide PEIPolyethersulfone PESPolyethylenechlorinates PolyimidePolyphenylene Sulfide PPSPolystyrene PS Polymer. PolysulfonePSU. Polyurethane PUPolyvinylchloride PVC PolymerPolyvinylidene