Organizations/associations
- C12 – www.c12group.com/
- Fellowship of Companies for Christ – www.fcci.org
- SPE – Society of Plastics Engineers – www.4spe.org/
- SPE Thermoforming Division Quarterly – thermoformingdivision.com/
- SME – Society of manufacturing Engineers – www.sme.org/
- PMMI – Packaging Machinery Manufacturers Institute – www.pmmi.org/
- Packaging World – www.packworld.com/
- UL DQS, Inc. – www.ul-dqsusa.com
- Wikipedia – www.wikipedia.org/wiki/Thermoformed