About Sterling Manufacturing

Founded in 1968, Sterling is a vertically integrated injection molding solutions partner in the consumer product, healthcare and defense industries. Sterling supports the entire product lifecycle, with rapid prototyping, tool development, validation, production molding and automated secondary operations.

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The Sterling Team

At Sterling, we're a close team—close to our fellow employees and close to our customers.

team member 1

David Atamian

Operations Manager

David has been making production floors hum for the last 10 years. He specializes in all aspects of operations including processing, automation and value-add processes.

team member 2

Tammy Weiss


Tammy is a skilled accountant and has been continuously focused on strengthening financials and internal controls throughout her career. She ensures every member of the Sterling team feels right at home.

team member 3

Shawn Morris

Program Manager/Document Control

Shawn has spent her career working closely with customers and is an IQMS specialist. Shawn is dedicated to document control and oversees every aspect of Sterling's Class 8 cleanroom.

team member 4

Gloria Langelier

Quality Control

For over 25 years, Gloria has been dedicated to product excellence and continuous improvement. She ensures Sterling's products exceed the expectations of the world's leading OEMs 100% of the time.

team member 5

Scott Zygulski

VP Sales & Marketing

Scott has spent his 21 year career providing innovative solutions to the world's leading medical, defense and consumer product companies. His history with Sterling's management team dates back to 1999.

team member 6

Stan Bowker


Stan is an operations expert with a focus on strategic, sustainable growth. He has spent his career continuously expanding capabilities and leading a passionate, energetic team.

team member 7

John Gravelle


John has been passionate about manufacturing his entire life. He started his career as a toolmaker as a teenager and became a successful business owner 20 years later. He believes Sterling's success is the result of its incredibly talented people.

team member 8

Michael Gravelle

Director Business Development

Michael has spent 10 years working closely with medical, defense and consumer product companies. He is always looking for new solutions to simplify customers' lives and is focused on communicating Sterling's ever-expanding capabilities.

team member 9

Randy Pell

Director of Sterling NPD

Randy started building molds as a teenager and is a tooling expert. He is known for his creative, "holistic" approach to engineering. Randy oversees Sterling NPD, specializing in product development and making the impossible possible.

team member 10

Bob Clinton

VP Engineering

Bob is one of the original members of the management team and a tooling expert with over 30 years of experience. Bob ran a tool shop that built thousands of molds, many of which have run tens of millions of cycles. He now oversees engineering at Sterling.

team member 11

Trisha McNally

Purchasing Manager

Trisha has managed complex supply chains for over 20 years. She oversees purchasing, scheduling and order fulfillment, and she specializes in helping customers achieve optimum inventory levels.


We strive to minimize our environmental impact and reduce energy consumption.