A half-century commitment to produce innovative products fast, right and on-time.

Our reputation has been built around taking an idea from concept to completion faster and more cost-effectively than any other plastic injection molder.

PTA Plastics is a private company started in 1953 with the vision to bridge the gap between product design and production. Today, we are a recognized leader in plastic injection moldmaking and production molding.

As production processes have evolved, so too has PTA Plastics. Our company’s two facilities – in Oxford, Connecticut and Longmont, Colorado – utilize state-of-the-art technology, and skilled staff to run production around the clock allowing us to get finished product to our customers fast and on time. Our staff has extensive plastics experience. In fact, many of our engineers, designers, toolmakers and machine operators have cross-disciplinary experience that allows for more effective design and production.

Ideas realized, precisely.

We can take an idea from concept to completion faster and more cost effectively than any other plastic injection molder. We are proud to have played a critical role in the manufacturing of thousands of products used around the world. Our services include:


  • Moldmaking; In-house/domestic & offshore
  • Injection Molding
  • Value Added Assembly
    • thermal/sonic insertion
    • pad printing
    • sonic welding
    • heat transfer

  • Design and Engineering Assistance
  • Specialized Molding Services
    • in-mold decorating
    • overmolding
    • insert molding
    • structural foam Molding
  • Gas Assist molding

Consistent delivery of the highest standards, products and services.

Our leadership in the plastic injection molding industry is based on our unrivaled commitment to quality and timely delivery. Every day we live up to our promise — to produce products fast, right and on-time.

Our quality systems are customer centric. At PTA Plastics, our primary goal is to clearly understand the product and user needs, and apply that knowledge to the quality planning process. Detailed quality guidelines are established for each purchased and manufactured item forming the basis for all quality assurance activities. Cross-functional employee teams are assigned to each project for superior production, early identification of problems, and cost improvements.

We guarantee to meet or exceed our customer’s expectations by:

  • Understanding each customer's needs
  • Effectively planning to meet those needs
  • Measuring our performance
  • Performing timely and effective corrective actions
  • Continually improving our management and manufacturing processes

PTA Plastics is ISO 9001: 2008 Certified, UL registered and ITAR registered.

PTA has committed significant resources to our System Procedures which are supported electronically (paperless). This is efficient, secure and easy to control but more importantly it allows high levels of collaboration between employees that are involved in our design, quoting, planning, quality and production activities. Electronic files also provide ready access to pertinent data that can be shared with customers as needed

Passion. Intelligence. Innovation.

With our in-house engineers and IT support, we can readily respond to unique situations with an experienced staff. This minimizes production time so that delays in getting products to market are avoided.

For over 50 years, PTA Plastics has proven its understanding of customers and their needs. Let us prove it to you!

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PTA Plastics has gained a reputation for bringing ideas to reality. We collaborate with our customers to address all areas of design, quality, cost and manufacturability; customers such as:


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