Granite State Plastics
Experience. Flexibility. Solutions



The demands of modern manufacturing present our customers with countless challenges everyday. They expect comprehensive quality assurance measures, and at GSP, exceeding those expectations is where the job begins.

Quality Assurance PROCESSES:

We’ve been ISO 9001:2008 compliant since 2008 and along with ISO Registration, we follow rigorous industry standards including APQP, PPAP, and MSA.

Our goal is to achieve total customer satisfaction by meeting precise specifications through zero-defect processes. All inspection procedures performed at Granite State Plastics adhere to proven and measurable practices as defined by our Quality Control Manual (available upon request).

  • First Article Inspection
  • PPAP to AIAG Specifications
  • Capability Studies
  • Data Collection/SPC
  • Inspection Reports
  • Custom Test Gauges

Precision equipment

Our commitment to leading edge solutions is illustrated in our careful selection of precision equipment. Our Mycrona CMM machine allows precise vision and touch probe measurements to +/- 2 microns. Our state-of-the-art, all-electric injection molding machines ensure robust processes for the products possible. Every one of our technological investments is made with our customer’s needs and satisfaction as our number one priority.





Mission Statement:
Granite State Plastics is a precision plastic injection molding company, committed to our customers’ success. We will strive to understand and meet our client’s needs, as if they were our own. We are dedicated to constant improvement to ensure that our customers receive quality products, flexible service, and cost-effective innovations with the highest degree of integrity.

Granite State Plastics is ISO 9001:2008 Registered

ISO Certification








Granite State Plastics, Inc
37 Executive Drive • Hudson, NH 03051 • 603-595-7790 • fax:603-595-1451