Overview

Polymer Corporation manufactures low-volume, close-tolerance plastic parts and assemblies. It was founded in 1979 and is headquartered in Rockland, Massachusetts, with an estimated 100 to 200 employees and estimated annual revenue of $10 to 50 million. The company is a portfolio company of Prospect Partners. Its own Liquid Resin Casting process is one of several manufacturing methods it offers, alongside injection molding and plastics machining. It serves the medical, defense, aerospace, automotive, and electric-vehicle industries.

At a glance

What Polymer Corporation makes

The company holds AS9100, ISO 9001, and ITAR registration and offers casting, forging, injection molding, plastics machining, rapid prototyping, and tooling.

Products and capabilities described on the company's own site include Machining, Injection Molding, Casting, Tooling, Plastic, Mold (source: polymercorporation.com).

Certifications

Polymer Corporation is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:

• AS9100 — polymercorporation.com

• ISO 9001 — polymercorporation.com

• ITAR registered — polymercorporation.com

Latest developments

• 2026-10-29 — Carrie Denley (linkedin.com)

• 2025-11-07 — DalFort Capital Partners Completes Second Add-On Acquisition for the Polymer Adhesives Platform (prnewswire.com)

• 2025-09-12 — Polymer Industry Cluster Announces the Future Site of the Innovation Pilot Facility - Polymer Industry Cluster (polymerindustrycluster.org)

• 2025-08-25 — Project Hamilton: Doubling Capacity. Developing in Abilene. | Development Corporation of Abilene (developabilene.com)

Facilities

Polymer Corporation is headquartered in Rockland, Massachusetts. Public sources also reference these locations:

• Massachusetts — polymercorporation.com

Company details

Polymer Corporation is privately held as a portfolio company of Prospect Partners and operates facilities in Massachusetts and Connecticut. Polymer Corporation was founded in 1979, has an estimated 100-200 employees, and is headquartered in Rockland, Massachusetts. On the LightSource stability read it is rated "Established & active": 47 years in operation (founded 1979). Holds AS9100, ISO 9001, ITAR registered certification(s) per public sources.

Frequently asked questions

What does Polymer Corporation make?

Polymer Corporation manufactures low-volume, close-tolerance plastic parts and assemblies. It was founded in 1979 and is headquartered in Rockland, Massachusetts, with an estimated 100 to 200 employees and estimated annual revenue of $10 to 50 million. The company is a portfolio company of Prospect Partners. Its own Liquid Resin Casting process is one of several manufacturing methods it offers, alongside injection molding and plastics machining. It serves the medical, defense, aerospace, automotive, and electric-vehicle industries.

Where is Polymer Corporation headquartered?

Polymer Corporation is headquartered in Rockland, Massachusetts (180 Pleasant St, Rockland, Massachusetts, 02370).

When was Polymer Corporation founded?

Polymer Corporation was founded in 1979.

How big is Polymer Corporation?

Polymer Corporation has an estimated 100-200 employees, with revenue in the $10-50M range (estimated).

What certifications does Polymer Corporation hold?

Polymer Corporation lists AS9100 · ISO 9001 · ITAR registered on its website. Confirm the certified scope for the specific plant producing your part.

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Last verified Nov 2026. Is this your company? Request a correction.