Steven Plastics Inc Precision Custom Injection Molding

Founded in 1989, Steven Plastics Inc is a privately held plastic injection molding company, specializing in precision custom parts, inserts and finished products for industry including: medical, consumer products, automotive, sports and leisure industries.

We are a certified critical component manufacturer for organizations including: Perkin Elmer Janus Automated Workstations, SciClone and Zephyr liquid handlers.

Our mission: Build strong lasting relationships with our Customers and deliver superior products and solutions of exceptional value to help them gain a competitive advantage in their markets.

Contact:  Steven Ballek, Chief Operations Officer
Email:; phone: 847-885-2300

Facility: 34,000 sq. ft. facility Hoffman Estates Illinois. Corporate commitment to sustainability in material and manufacturing.More than 32 years of commitment to continuous improvement with superior service.


  • 25 Presses:  55-1125 Tons
  • Nissei
  • Engle 
  • Yizumi
  • Lazers
  • CNC's
 Services provided:
  • Injection Molding
  • Insert molding
  • Laser cutting
  • Assembly and Automation
  • Fulfillment
  • Machining 
  • Molds for: rubber, plastic, die cast dies, die cast molds
  • Sonic welding

    Proprietary Products: 

    Untangler Rotating Tooth Pet Tools -
    Hair Doctor Rotating Tooth Products -

    Diane Pietrasik Brand Owner, Managing Director

    Phone: 847-885-2300
    Steven Plastics,Inc. 2125 Stonington Ave, Hoffman Estates, IL 60169