Rosti Utah
Looking for plastic manufacturing partners in Utah?
Rosti Utah has been one of the leading plastic injection molders in the Western United States for over 40 years. Based in Clearfield, Utah, the 62,000-square-foot facility operates more than 30 molding cells ranging from 55 to 500 tons, serving markets including medical, sporting goods, home furnishings, consumer goods, industrial, and electronics.

Dennis McGuigan
Sales Manager
Rosti Utah | (Formerly SMI Molding, Inc.) | Freeport Center, Bldg. Z-13 | Clearfield, UT 84016

Our Services
Rosti Utah brings decades of manufacturing and engineering experience to deliver consistent, high-quality products built to customer specifications.
Manufacturing Expertise
Years of hands-on manufacturing and engineering experience ensure stable, repeatable production.
Advanced Molding Capabilities
Specializing in hard-to-mold products, including elastomers, thick-walled plastic parts (gas assist), insert molding, and engineered plastics.
Automation & Precision
Automation is integrated to enhance precision, consistency, and production efficiency.
Quality Assurance
A strong quality culture is embedded throughout all systems and processes to ensure reliable performance.

Facts & Figures
62,000ft² Facility
75+ Employees
Established 1981
Certifications
Explore our industry-specific certifications from accredited organizations to ensure we provide guaranteed service for you.
International Standard for Quality Management (2015 – latest version)
Our Capabilities
Rosti North Carolina supports customers with design-for-manufacturing expertise, advanced injection molding, and value-added services that enhance efficiency, lower costs, and accelerate time-to-market.

Injection Molding
Rosti Utah manages a wide range of injection molding projects, delivering consistent quality regardless of part complexity. The site’s expertise ensures reliable processing and stable production results for demanding applications.

Rapid Prototyping
Cost-effective rapid prototyping delivers physical samples within two to three weeks, enabling your engineering team to quickly validate designs and speed up development.

Reshoring & Tooling Transfer
We offer fast, reliable transfer and startup of existing overseas tooling. Most tools require only minor modifications before running in production, supporting smooth reshoring and reduced supply chain risk.

Elastomer Processing
The team has deep expertise in elastomer molding, including TPEs, urethanes, TPVs and flexible PVC, ensuring precise processing of flexible and high-performance materials.

Job Openings
We are pleased to announce the available positions below. Rosti is seeking talented people to join our dynamic team. If you or someone you know is interested, please apply below.
