Injection molding

Excelling in plastics

EPTAM Molding MA is a vertically integrated injection molding solutions partner in the consumer product, healthcare, and defense industries. EPTAM supports the entire product lifecycle, with rapid prototyping, tool development, validation, production molding, and automated secondary operations. EPTAM partners with you to get your products to market and streamline your supply chain. We deliver superior products on time.

EPTAM provides progressive manufacturing solutions such as micro-molding, multi-material, and insert molding. Our scalability ensures you meet your objectives on time, whether you need to design and develop a new product or immediately ramp up full-scale, high-volume production.

Some of our work

Differentiated technology

Unique process and capabilities

Secondary processes

Compression molding

Liquid silicone rubber (LSR)

Our quality system

  • ISO 13485:2016 registered  Albright Silicone  division location 
  • ISO 9001:2015 registered 
  • Total cost of non-quality of less than 1% and improving 
  • IQMS™ ERP system 
  • SPC monitoring 
  • 8D problem-solving methodology 
  • ISO Class 8 certified cleanrooms 
  • Cutting-edge metrology technology with fully programmable touch probe CMM vision systems

Our history

50 years of experience

EPTAM has over 50 years experience in precision injection molding, engineering, tool development, and fully supports OEMs in the healthcare, aviation and industrial fields  

Sterling added LSR molding and tooling capability with the acquisition in 2019 of  Albright Silicone  division in Leominster, MA. 

Along with precision injection molding, EPTAM offers 3D printing, dedicated engineering, tool development, and a full range of value-added services. For companies looking to improve supply chain efficiency or consolidate vendors, EPTAM’s value-add operations make us a “one-stop shop.” 

We rely on process improvement, new technology implementation and logistics cost reduction to eliminate supply chain inefficiencies. We understand what it takes to increase speed-to-market, improve your margins and deliver superior quality products on time, and our customers enjoy a flexibility and adaptability that is unique to EPTAM.  


Across two facilities, EPTAM is equipped with 29 injection molding machines. Production molding machines are 2 years old on average.

EPTAM Massachusetts facility

EPTAM’s MA facility is a completely controlled environment, with a recently expanded ISO Class 8 cleanroom. Capabilities include a wide range of press tonnage—28-550 ton with plans to expand—and are committed to continuous reinvestment in operations, with $2 million recently invested in upgrading our cleanroom and purchasing new machines. 

EPTAM New Jersey facility

EPTAM’s New Jersey facility boasts a highly controlled environment with ISO Class 7 and 8 cleanrooms. Our commitment to quality is reflected in our ISO 13485:2016 and ISO 9001:2015 certifications. We utilize state-of-the-art Toyo and Arburg molding machines with a press tonnage range of 5-200 tons, and are continually investing in our operations. Our recent investments have upgraded our cleanroom and added new machines, demonstrating our commitment to providing exceptional service.

EPTAM is committed to meeting customer scalability requirements. When any single piece of equipment reaches 70% capacity, an additional machine is ordered.  

EPTAM Silicone is equipped with LSR injection molding machines ranging from 14-120 ton and compression presses ranging from 10-100 tons. Additionally, we have thermoplastic injection machines ranging from 50-130+ tons with allocated warehouse space for additional equipment and capacity. Albright offers prototyping and production tooling with the ability to build a wide range of tooling in house. This is supported by Brother and Topper CNC machines. 

Get a Quote

If you’re ready to chat – you can book a meeting with our team, right now. Please provide details when booking so we may have the right expert available for the call.

Rapid Prototyping

Every EPTAM client faces the same challenges – design parts to meet performance standards and ensure production ramp and capacity availability while controlling costs.