Plastics Manufacturing Companies in Maryland

Maryland has approximately 2,800 manufacturing establishments and 110,000 manufacturing employees. Maryland's manufacturing sector centers on defense and biotech, leveraging proximity to federal agencies with companies like Northrop Grumman and Lockheed Martin.

Maryland 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 Maryland include Baltimore, Bethesda, Frederick, Rockville, and Columbia. These cities have concentrations of manufacturers across sectors including defense manufacturing, biotech manufacturing, and aerospace manufacturing.