Plastics Manufacturing Companies in Indiana

Indiana has approximately 8,500 manufacturing establishments and 530,000 manufacturing employees. Indiana has the highest manufacturing employment share of any state, driven by automotive OEMs and suppliers, steel production, and the RV capital in Elkhart.

Indiana is one of the leading states for plastics manufacturing. Plastics manufacturing encompasses companies that convert plastic resins into finished products through injection molding, extrusion, blow molding, thermoforming, and rotational molding processes. The US plastics industry includes over 15,000 manufacturing establishments producing everything from automotive parts and medical devices to consumer products and packaging.

Custom Injection Molders: Companies operating injection molding presses from 20 to 6,000+ tons for automotive, medical, consumer, and industrial parts.

Extrusion Operations: Manufacturers producing plastic pipe, tubing, profiles, film, and sheet through continuous extrusion processes.

Blow Molders: Companies producing hollow plastic containers, bottles, tanks, and ducts through blow molding processes.

Thermoformers: Manufacturers forming plastic sheet into trays, clamshells, panels, and enclosures using vacuum and pressure forming.

Compounders & Recyclers: Companies blending resin formulations and processing recycled plastics into pellets for molding operations.

Major industrial centers in Indiana include Indianapolis, Fort Wayne, Elkhart, South Bend, Columbus, and Lafayette. These cities have concentrations of manufacturers across sectors including automotive oem manufacturing, automotive tier 1 suppliers, and steel manufacturing.