About Us
Your Source for Custom Plastic Molding
Lomont Molding, LLC is a premier plastic molder offering complete in-house services including engineering, tooling, in-mold technologies, decorating, quality assurance, and secondary operations.
Since 1982, we’ve delivered high-quality molded products using a broad range of thermoplastics at our state-of-the-art facility.

Since 1982, Lomont Molding has grown into one of the leading custom plastic molders in the United States, offering a full range of services including engineering, tooling, in-mold decorating, assembly, and secondary operations.
Our success is rooted in our commitment to solving challenges through innovation and precision. Operating from a modern, high-capacity facility in southeast Iowa, we process a wide variety of thermoplastic resins using advanced molding technologies tailored to meet the needs of diverse industries.
What sets Lomont apart is our ability to adapt and expand. Over the decades, we’ve invested in new technologies like nitrogen gas-assist, over-molding, and in-mold labeling, allowing us to support complex designs and deliver high-performance products at scale.
With proprietary product lines like Lomont IMT and Paragon Products, and a long-standing reputation for quality and service, we’re proud to serve customers nationwide with molded solutions that drive results.
Our Mission, Vision and Values
Our Mission
Lomont is dedicated to providing quality, service, and innovation that exceeds our customers’ expectations.
Our Vision
To become a profitable and respected industry leader through employee engagement, customer integrity, and innovative business practices.
Our Values
- Innovation – Creativity & tenacity to continually improve
- Integrity – Is foremost, and driver of our consistency
- Pride – For our quality work
- Respect – For our customers, each other, and our high standards
- Teamwork – The foundation of our excellence
Our History
1982
Founded in 1982 – Structural Foam Beginnings
Lomont began as a structural foam molding operation focused on producing durable, large-format parts. Over the years, we’ve grown significantly, expanding our capabilities, product lines, and in-house services.
1989
Injection Molding Expansion
In response to market demand and customer needs, Lomont added injection molding capabilities. Today, it represents our largest area of production.
2000
Incorporating Gas-Assist and Over-Molding
Lomont added nitrogen gas-assist and over-molding technologies to address more complex part geometries. These processes expanded the range of solutions we could offer customers.
2003
Pioneering In-Mold Decorating
Lomont began using in-mold decorating (IMD) to embed labels and graphics into molded parts. This advancement laid the foundation for our proprietary IMT product line.
2017
Expanding into Blow Molding
With the acquisition of the R&D Molders brand, Lomont expanded into blow molding. This brought with it nearly 50 years of combined experience and new capabilities for manufacturing hollow plastic parts.
Lomont Family of Companies
Lomont Molding LLC works together with our family of brands to deliver exceptional products and service across a range of industries.


Advanced safety signage and identification products using patented In-Mold Technology, revolutionizing the safety marking industry.

Industry leader in concrete and rebar accessories serving the highway, ready-mix, precast, and testing sectors.



Bringing decades of blow molding and injection molding experience across markets including medical, consumer, electronics, energy, and more.