History

The history of Precision Products Group, Inc. (PPG) is the history of Stone Industrial and Paramount Tube. A big part of our collective history is the development of the spiral winding process that stems from the spiral-wound paper straw invented by Marvin Stone in 1888 and 1927 square and rectangular paper tube manufacturing primarily for the electrical transformer industry.

Precision Products Group, Inc.

1888

Stone Founded – Washington, D.C

1927

Paramount Founded – Fort Wayne, IN; the reciprocating winder was developed and patented

1920’s 

Spiral wound paper tubing first introduced as insulation.

1952

Paramount developed the first continuous winder.

1957

Stone Industrial develops spiral wound polyester insulation

1962

Stone Industrial expands capabilities to include plastic extrusion

1971

Clarcor, Inc., formerly headquartered in Rockford, IL, purchased Stone Industrial and Paramount Tube, establishing Precision Products Group

1992

Precision Sleeve Products absorbed by  / consolidated in to Stone Industrial and Paramount Tube

1992

The Precision Products Group of Clarcor was purchased by the present ownership on December 31, 1992.

1994

Insulation Sales(Cummings, Georgia) was acquired in March-1994 and moved into Stone Industrial Division in College Park, MD.

2004

Business license for Changzhou, China “WOFE” was obtained in December-2004

2006

Hong Kong JV was established in 2006 and equipment from “WOFE” was moved to wholly-owned (by JV) facility in Huizhou, China

2006

Rockford Headquarters was closed in 2006 and absorbed into College Park, MD

2008

“Spring Group” comprised of Michigan Spring & Stamping and Alambre divested in May-2008;
Precision Products Group, Inc. “Tube Group” consisting of Stone Industrial and Paramount Tube

2016

Stone Industrial, Euclid Spiral, and Phoenix Tube merge into Paramount Tube

PPG products now represent more than 70,000 customer engineered part numbers that are produced on a made-to-order basis for over 900 customers. These products are produced from more than 100 different material specifications that are inventoried in quantities to meet our customers’ delivery expectations.

What kind of precision tube products can we invent for you today? Contact PPG.