- Primex Plastics (extruded sheet plastic)
- Woodruff Corp. (“corrugated” plastic containers)
- Berry Plastics (molded plastic containers, mostly for food industry)
- B&F Plastics (extruded sheet plastic products)
- C-I-T (Contract Industrial Tooling) (specialty cut and shaped plastic products)
- Envirotech Extrusions (extruded rubber mats)
- Enviromold (injection molded parts)
- Hagerstown Plastics (injection molding)
- Reel Options (injection molded cable reels)
- Transilwrap (sheet extrusion and extrusion coating)
- Vandor (injection molding)
- Abbott Nutrition (high-tech injection molding)
- TEDCO (injection molding)
- Holland Colours America (colorants used in plastics)
- #1 Polymer Source (plastics recycling)
- Your Way Trading Co. (plastics recycling)