MC Molds
- Specializing in building extrusion blow molds and designing and building of machine specific trim tooling.
- http://www.mcmolds.com/

RAO Design
- Custom molds for all types of blow molding equipment. Also, machinery and tools.
- http://www.raodesign.com/

Globe Industries Inc.
- Chinese manufacturer, making molds for the plastic injection industry. Also, single and multi-cavity, and blow molds.
- http://www.globecorp.com

Delvron (Tianjin) ElectroMech Industries Co. Ltd.
- Manufacturer of aluminium blow molds for the PET reheat stretch blow molding process. Able to provide blow mold designing and prototyping services.
- http://www.delvron.com/

Schulze Tool Co
- Designs and builds blow molds, supplies product design, pattern making, mold construction and engraving. Also, tooling and special machinery. Located in Independence, Missouri.
- http://www.schulzetool.com/

Ryka Blow Molds Ltd.
- A Canadian-based blow mold manufacturing, design and engineering company.
- http://www.rykabm.com/