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.
Stone Founded – Washington, D.C
Paramount Founded – Fort Wayne, IN; the reciprocating winder was developed and patented
Paramount developed the first continuous winder.
Stone Industrial develops spiral wound polyester insulation
Stone Industrial expands capabilities to include plastic extrusion
Clarcor, Inc., formerly headquartered in Rockford, IL, purchased Stone Industrial and Paramount Tube, establishing Precision Products Group
Precision Sleeve Products absorbed by / consolidated in to Stone Industrial and Paramount Tube
The Precision Products Group of Clarcor was purchased by the present ownership on December 31, 1992.
Insulation Sales(Cummings, Georgia) was acquired in March-1994 and moved into Stone Industrial Division in College Park, MD.
Business license for Changzhou, China “WOFE” was obtained in December-2004
Hong Kong JV was established in 2006 and equipment from “WOFE” was moved to wholly-owned (by JV) facility in Huizhou, China
Rockford Headquarters was closed in 2006 and absorbed into College Park, MD
“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
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.