Here’s a list of some of the most well-known global suppliers of plastic helical gears:

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Leading Global Suppliers of Plastic Helical Gears

1. Jameco Electronics

   • Offers a wide range of plastic gears including helical types.

2. Stock Drive Products (SDP/SI)

   • Provides a variety of motion control components including helical gears.

3. KHK Gears

   • Specializes in a comprehensive catalog of gear products including plastic helical gears.

4. Morse Gear

   • Known for manufacturing custom gears, including plastic helical varieties.

5. Gears and Gear Drives

   • Supplies a range of gear solutions, focusing on custom plastic helical gears.

6. Bevel Gear Company

   • Designs and manufactures various types of gears, including plastic options.

7. Boston Gear

   • Offers a wide selection of gears, including plastic helical gears.

8. Pittman (Part of AMETEK)

   • Provides a range of precision gear products including helical designs.

9. Robot System Products (RSP)

   • Designs and manufactures gears for robotics, including plastic helical gears.

10. Raymond Cardi Gear Corporation

    • Custom gear manufacturer, specializing in complex gear systems including plastic helical gears. ```

This list includes companies known for their innovations and extensive offerings in gear manufacturing, including plastic helical gears. Be sure to research individual companies further for specific product offerings and capabilities.