Plastics Manufacturing Companies in New Hampshire

New Hampshire has approximately 1,600 manufacturing establishments and 68,000 manufacturing employees. New Hampshire has a precision manufacturing economy, with BAE Systems, DEKA Research, and a network of aerospace and defense component makers along the I-93 corridor.

New Hampshire contributes to the national plastics manufacturing landscape. 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 New Hampshire include Manchester, Nashua, Concord, and Dover. These cities have concentrations of manufacturers across sectors including defense manufacturing, semiconductor manufacturing, and medical device manufacturing.