Sinicon Plastics was founded by Tony Sinico. A child of the Great Depression and first generation Italian-American, Tony was no stranger to hard work and dedication. Due to the circumstances at the time, Tony left school in the eighth grade to support his family by working on their dairy farm in Stockbridge Massachusetts.

In 1968, Tony had a young family of his own to support, and decided to start Sinicon Plastics, a true family business. He, and eventually his son Tony Jr, worked tirelessly to build Sinicon from the ground up, much like the dairy farm many years ago.

After 21 years  of work, Tony decided it was time to sell Sinicon Plastics. in 1989, our current owner, David Allen, purchased Sinicon from Tony and his son. It was clear from the start that the Sinicos and David were a terrific match. Much like Tony in 1968, David had a young family of his own to support and was no stranger to hard work. As testimony to the chemistry between the two, David noted that “Tony continued to work for me for 23 years, becoming my most hardworking, dedicated employee and mentor until he retired at the age of 91.”

When David bought the company there were seven employees and eight machines located in an old, 5,000 sq ft textile mill. Since then the company has evolved into a leading manufacturer of highly technical plastic and silicone parts. Among their clients, one of the largest is the Seimens Group.

Today, you will find the same work ethic and dedication to quality in everything Sinicon Plastics does.

David Allen, President and CEO of Sinicon Plastics has a vision for the future and you can easily see where that vision is leading the company.

Sinicon Plastics is in the process of revitalizing their infrastructure with renovations and new modern equipment.

“Sinicon offers a wide variety of products and services for medical, military, aerospace and industrial applications. Products and services include micro molding, insert/over molding, gears, seals, cages, silicone, assembly, welding and much more. At Sinicon, we mold over 700 different part numbers.”

Sinicon’s equipment list is quite extensive and they are well positioned to deliver top-quality parts.

You can view a complete list of Sinicon’s equipment here.

Shadow Polymer is proud to count Sinicon Plastics among our esteemed clients. Over the years we have helped Sinicon Plastics with projects both large and very, very small (their specialty is small parts).

Shadow Polymer has provided crucial tools to help Sinicon Plastics achieve their goals. We have been able to utilize our experience to suggest changes to gating, materials, cooling, etc. to help reduce costs and prevent mistakes before they happen.

Sinicon Plastics has found that Shadow Polymer analysis helps them perform at an entirely higher level. Their projects are designed to have all of the analysis and simulation answers perfected before a mold is in process. Sinicon has found that while working with Shadow Polymer, there is no trial and error. There is just expected performance.

One final point:
“What we’ve found is a very good solution working with Shadow Polymer. We’re not a huge company, but we can compete on that level with Shadow Polymer’s help. We finds Shadow’s experience to be the right fit that brings the expertise needed with every project. Shadow Polymer is definitely a boost in confidence.”
– Carl Olson, VP Sales & Marketing, Sinicon Plastics

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