Thumb Plastics, Inc. | Two-Shot Injection Molding

Plastic Injection Molding

Thumb Plastics, Inc. a division of Gemini Group specializes in manufacturing engineered plastic injection molding, two shot molding, multi-shot molding and insert molding products. We service a variety of industries including Automotive, Lawn & Garden, Agricultural, Medical, Consumer, and Appliance.


Horizontal Integration


As a horizontally integrated manufacturer of engineered plastic products, Plastic Injection Molding is just one of the core processes offered by the Gemini Group. Our other divisions specialize in:

  • Blow Molding
  • Profile Extrusion
  • Compression Molding & Thermoforming
  • Injection Molding (Two Shot & Insert Molding)


So what does this mean for you?


Most companies that specialize in plastic injection molding can only make injection molded product. That means no matter what application you have for your part, they can only bring ideas to the table that relate to injection molding even though this may not be the best process for making your product. By leveraging the expertise of all our divisions, we are able to evaluate multiple processes and optimize part design and material selection.


Of Gemini’s largest customers, 9 out of 10 purchase product from two or more of our processes.