Experience. Integrity. Results.
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316 Park Avenue
Tipp City, OH 45371
t: 937.667.8416
f: 937.667.2536

Ohio Custom Plastic Injection Molding & Assembly Since 1969

Experience. Integrity. Results.

Are you introducing a new or redesigned product to market? Are you in Ohio? Guess what, so are we. And we have been among the leaders in custom plastic injection molding & assembly in Ohio for over 30 years. Anyone who has taken a product from a conceptual thought and turned it into a reality will tell you that they relied on trusted, experienced suppliers whose specialized expertise can remove the bumps from the product development road. Not only are we experienced, we are right here in Tipp City, just outside of Dayton, Ohio. If your design project involves custom plastic injection molding of complex parts or full service plastic contract manufacturing capabilities, we can help . . . from start to finish. Our 65,000 square foot facility in Ohio will provide you with all the resources you need to get your part designed and manufactured.

Since 1969, Proto Plastics has partnered with prominent manufacturers, in and out of Ohio, offering them a full range of ISO-9001:2008 certified capabilities: design and engineering, material sourcing and processing, plastic mold design and construction, injection molding, assembly/pad printing, and tailored delivery and stocking programs. The majority of our customers have been with us for more than 10 years, and they will tell you that we really know our business - our management team alone has more than 130 years of manufacturing and plastic injection molding experience.

Our customers will also talk about integrity. We are willing to tell you in advance of potential design or manufacturing issues, giving you time to make adjustments. We guarantee all molds that we manufacture or source for the life of the program. It all adds up to trust, which is why our customers keep coming back.

We are large enough to offer many value added services, but not so large that we can't treat every customer as a prime customer. Our end goal is to see your product launched on-time and on-budget, and to be a reliable source of quality parts throughout your product's life cycle. Our location outside of Dayton, Ohio makes us easily accessible from every corner of the Buckeye State. Check out Proto Plastics injection and molding in Ohio.