About Us
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.
What ARM Delivers
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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 launched 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.
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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.
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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.
Want to see everything ARM membership includes?