Custom Machined and Engineered Plastic Shapes
If your specific requirement calls for creating a new design, or simply updating an old one, our engineering and design team is available to assist you from concept through creation. Windy City Seals provides the experience that allows us to create the most cost-efficient and practical fabrication approach, and insures that the final product will represent the best balance between performance and cost.
Precision…in design, in equipment, in meeting the gamut of applications and specifications required by our many customers…to hold the most exacting tolerance.
Our customers set high standards for their products…and we’ve been meeting or exceeding them since day one. Accomplishing this calls for experience, flexibility and the technical know-how to consistently make experienced decisions when it comes to selecting exactly the right material and fabrication method for the job at hand.

Engineering high performance plastics requires sophisticated blending techniques and hands-on knowledge about the properties and performance characteristics of various resins and filler materials. Matching the material to the application is critical and we do it very well.
At Windy City Seals, we try to anticipate our customers’ needs and to be geared up and ready to meet them when the demand arises. We’re not waiting for tomorrow…we’re ready to serve this market today.