| | Panek Precision Products Inc (Northbrook, IL) Manufactures automatic, precision & plastic screw machine products | |
| | Parker (Vandalia, OH) Custom plastic injection molding: medical, business machine & automotive products | |
| | Phillips Plastics Corp (Phillips, WI) Plastic injection molding, prototypes, models & stereolithography; production tooling & fabricated metal products | |
| | Proflex Manufacturing Inc (Macon, GA) Plastic products: polyurethane tie-downs | |
| | Progress Plastic Products Inc (Bellevue, OH) Custom injection molded plastic products for appliances, electrical, automotive & home furnishings | |
| | Prototype Tooling & Plastics (Elgin, IL) Custom plastic products, prototypes & tooling | |
| | Q3 JMC Inc (Urbana, OH) Steel & aluminum air reservoirs, plastic quality connect manifolds; fittings for braking systems for heavy trucks; thermo set, thermoplastic & composite products | |
| | QMR Plastics (River Falls, WI) Molded plastic products | |
| | Rebling Plastics Co (Warrington, PA) Custom plastic products; transfer & injection molding | |
| | Roto Plastics Corp (Adrian, MI) Rotational molded plastic products | |
| | Security Plastics Inc (Hialeah, FL) Custom electronic, automotive & telecommunication injection molded plastic products | |
| | Smithers-Oasis Co (Cuyahoga Falls, OH) Plastic foam products for florists | |
| | Spaulding Composites Co Inc (Dekalb, IL) Manufactures, laminates, & fabricates specialty plastic products | |
| | Sweetheart Cup Co Inc (Chicago, IL) Food service products: plastic & paper containers & utensils | |
| | Trade Press (Lutz, FL) Glue, perfect, plastic, ring binding; embossing, foil stamping, die cut paper products, envelope & mailer conversions | |
