PRODUCTS HISTORY CAREERS CONTACT LEGAL Plastic Resin Distribution & Compounding Prime | Compounded | Wide Spec | Color ConcentratesMcD Prime® is your premium plastic supplier for thermoplastic materials, resin distribution, warehousing, logistics, technical solutions and support for plastic manufacturing markets including automotive, medical, recreation, housewares, outdoor, packaging, custom plastics manufacturing, and compounding. Our years of experience in plastic resin sales, ...