Plastic Injection Molds Company

The Toolroom Inc is a plastics injection molding company serving the Greater St Louis area with superior plastic injection molds since 1978. Our experienced Missouri team and advanced machinery continue to provide our clients with turnkey solutions for injection molding and other tooling needs, all the way from conception to completion.


  • In House Molding
  • On-Site Launch Support
  • Mold Refurbish / Tool Refit
  • Engineering Changes
  • Fixtures and Dies
  • Special Machining


  • CNC
  • Manual
  • Inspection
  • Molding Machines
  • Wire EDM
  • Sinker EDM


Working closely with offshore suppliers, The Toolroom provides our Missouri clients with high-quality service at a lower cost.

About Us


The Toolroom is committed to providing world-class service and superior quality for rubber and custom injection molds, plastic molding, machining services, and tool design.

Our Work

Accuracy & Speed

Average on-time delivery rate target/part acceptance is 98% or better

We Deliver

Fast CNC Machining

Simple CNC machined parts starting at $75 for 1-50 quantity
with 1-3 day delivery

Start Your CNC Project

Prototype Molds

Get a simple 1 cavity aluminum prototype mold starting at $2,498 with 1-2 week delivery time

Let's Talk

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