Company History

Four decades of HDPE innovation

A look at our early story—innovation in HDPE systems, market expansion, and the vision that shaped our growth.

Archival photo of early PSI team
US Rep. Bill Emerson (left) meets with Jerry Levingston (right) regarding the economic impact of Poly Systems, Inc. to the Missouri 8th Congressional District.

Poly Systems, Inc: A Legacy of Innovation in HDPE Piping

Poly Systems, Inc was established in 1991 by Jerry and Christine Levingston in Dent County, Missouri. In 1993, the company relocated to Steelville, MO, where it quickly established itself as a leader in the HDPE piping industry, pioneering innovations such as the Thread-Loc® screw-type joint. Between 1994 and 2002, PSI took five inventions to patent—key advances in HDPE pipe joining and installation—solidifying its position as an industry leader.

  • Founded 1990 in Dent County, MO
  • Relocated 1993 to Steelville, MO
  • Thread-Loc® screw-type joint innovation
  • Five patents filed and awarded (1994–2002)
Founded
1990
Our origin year in Missouri
Core Materials
HDPE Profile Wall
High-density polyethylene
Notable Innovation
Thread-Loc® Screw-Type Joint
Patented joining system
Key Product
Culvert Renew
Flagship rehabilitation system

Milestones from 1990 to 2025

  1. 1990

    Founded in Dent County, Missouri

    Poly Systems, Inc. is formed by Jerry and Christine Levingston, focusing on high-density polyethylene (HDPE) piping systems and custom fabrication.

  2. 1994

    Patent Awarded

    PIPE JOINT AND METHOD FOR FORMING SAME FOR THREADED CONNECTION OF PROFILE PIPES - U.S. Patent No. 5,310,441 is awarded for the Thread-Loc® screw-type joint, enabling quick, on-site joining of profile wall HDPE pipes without specialized fusion equipment.

  3. 1995

    Rapid Sales Expansion

    Year-over-year growth accelerates with multiple consecutive years of doubled revenue, culminating in ~$4M annual sales and a 50% YoY increase at the time of the archival snapshot.

  4. 1998

    Patent Awarded

    JOINTS FOR POLYMERIC PIPE - U.S. Patent No. 5,577,629

  5. 1999

    Patent Awarded

    JOINTS FOR POLYMERIC PIPE - U.S. Patent No. 5,958,172

  6. 2000

    Patent Awarded

    PIPE EXTRUSION APPARATUS INCLUDING WINDING A HOLLOW PROFILE - U.S. Patent No. 6,105,649

  7. 2002

    Leadership Change

    Frank Page assumes role of President and CEO.

  8. 2002

    Patent Awarded

    PIPE EXTRUSION PROCESS - U.S. Patent No. 6,488,802

  9. 2025

    Leadership Change

    James Levingston becomes President and CEO, leading the company into its next chapter of innovation and market expansion in HDPE systems.

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