About ARM

The Association of Rotational Molders (ARM) is the global network for rotational molding companies, with a strong focus on North America and connections to a worldwide community of molders, suppliers, designers, and educators.

We help rotomolders build stronger teams, improve their processes, and form the relationships that drive better business.

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Our Mission

The Association of Rotational Molders (ARM) promotes, educates, and inspires the rotomolding industry, ensuring that membership is recognized for providing an extraordinary return on investment to rotomolders and their suppliers.
Join ARM Today!
Train your employees. Reduce scrap. Connect with customers. Learn from experts and peers.

ARM Membership provides tremendous return on investment! Give your company a competitive edge and have your voice heard in the rotomolding industry by becoming an ARM member.

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What ARM Delivers
Hands-on training that works
The ARM Training Academy includes certificates in Operator Training, Health & Safety (English and Spanish), and Wall Thickness Control—with an XLPE series launching in May 2025. These self-paced video courses help you reduce scrap, build confidence, and raise the standard of your operation. Members consistently call it one of the most impactful tools they use.

A focus on process improvement
From our classic training video library to on-demand webinars and moderated troubleshooting calls, ARM helps you sharpen your skills and solve real-world problems with practical insight from peers and industry experts.
Stronger connections, better business
ARM brings molders, suppliers, and educators together through live events, online forums, and committees focused on the industry’s top priorities. Whether it’s a conversation at our Annual Meeting or a phone call with a fellow molder, these connections often lead to breakthrough ideas and lasting value.

Promotion of the process
We invest in educational materials, trade show presence, and outreach to help the world better understand the value and versatility of rotational molding.
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