In 1982 Diamond Plastics was created with the purchase of the Grand Island, Nebraska and Lubbock, Texas plants.


In the mid 1980s Diamond Plastics expanded its capabilities through 27”. In 1987 Diamond Plastics added C900 capabilities, the product of choice for municipal water PVC pressure pipe applications. In 1989 Diamond Plastics expanded their footprint to 3 plants with the purchase of the Macon, Georgia facility.


In 1994 Diamond Plastics expanded their footprint to the Western U.S. with the opening of their fourth PVC pipe plant in Golconda, Nevada.


In 1996 Diamond Plastics opened its 5th plant in Muncie, Indiana. In 1999 Diamond Plastics was first to introduce 30” and 36” solid wall PVC pipe production in the U.S. In the late 90’s and early 2000’s Diamond added profile and corrugated PVC pipe products prior to the advent of large diameter solid wall for the sanitary sewer market.


In 2002 Plaquemine, Louisiana was Diamond Plastics 6th plant to be opened. In 2002 Diamond Plastics was the first manufacturer in the U.S. to introduce 42” and 48” solid wall for both C900 and Sewer pipe.


In 2007 Diamond Plastics opened its seventh U.S. production facility in Casa Grande, Airizona.


In 2015 Diamond Plastics became the first PVC pipe manufacturer in the World to introduce 54” and 60” solid wall PVC C900 and Sewer pipe. Simultaneously adding 42” and 48” capacity to the Eastern U.S. In 2021 Diamond Plastics added 42” and 48” capabilities to the Western part of the United States.


Founded in 1982 with manufacturing facilities in Grand Island, Nebraska and Lubbock, Texas, Diamond Plastics has grown to be the industry leader in pipe technologies with 7 locations across North America.