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968 S Northpoint Blvd
Waukegan, Illinois 60085



TEI engineers are highly qualified professionals who care about your product. They have years of experience and many have taught at various local Universities and Colleges. TEI is a design to product company. Give us you idea, and we will design it, build it, and produce it for you. Each job at TEI is given the utmost care, whatever its particular needs.

Software Integration

TEI uses Solidworks as its in house computer aided design software. 

However, we are fully versed in a wide variety of programs such as:

    • Solidworks
    • Autocad
    • ProE
    • MasterCam
    • Adobe Acrobat
    • And Others…

Send us your drawings and we will get to work right away!


Custom Injection Molding

TEI has a wide range of injection molding machinery, from 18 tons to 300 tons, with capacities up to 26 oz. All our machines were purchased new and have been maintained at optimal performance. Our most recent acquisitions have been stat-of-the-art all electric injection molding machines, which offer our customers superior molded products.

TEI has the added capability of molding difficult plastic materials, such as glass filled, engineered resins and high temperature
PEEKS, Teflons, Ultems, Polysulfones and others.

Tool Room

TEI has a fully operational tool room with the latest in precision CNC, EDM, milling, grinding, boring and other machinery.

No job is too large or too small for our skilled technicians


  • Plastic Injection Molding
  • Mold/Tool Making
  • Prototyping
  • Mold Design
  • Part Design
  • Assembly
  • Long Run Production
  • Short Run Production