Welcome to Ontario Plastics

Established in 1945, Ontario Plastics is the most experienced custom injection molding company in the Rochester metro area. We have established ourselves as a trusted, customer focused, quality partner. We pride ourselves on our processes, tools and methodologies, along with our team-based culture of continuous improvement. Look around and Contact Us for more information!

OPI Brochure

Capabilities for:

Why us?
Having an objective opinion on how to improve your operations is a great way to create change and see positive results. At OP, we’re proud to offer our in-house consulting expertise to you. With our knowledge and depth of experience throughout the injection molding process, you can be sure we will make a difference.

Caliper technical drawing

Contact Us
Ontario Plastics of NY
2503 Dewey Avenue
Rochester, NY 14616