Yeong Guann Casting Iron Factory Co., Ltd.
Manufacturer of machine parts- casting iron, ductile iron, gray iron applied for injection, diecasting, automotive molding, machinery casting), ductile iron, casting iron.
http://www.yeong-guann.com.tw/

Intermet Corp.
U.S. corporation owns and operates nine ductile and gray iron foundries, eight aluminum and magnesium die-casting plants and a research foundry
http://www.intermet.com/

Xenia Foundry
The Xenia Foundry is a custom gray and ductile iron casting company producing components for specialized equipment manufacturers. We are located in Xenia, Ohio . Independent, family-owned and operated for four generations since 1920, Xenia Foundry has evolved into one of the premier small jobbing foundries in the United States.
http://www.xeniafoundry.com/

Laforo Fondrie Industrielle
Fonderie de fonte grise et ductile spécialisée dans le coulage de pièces automobiles, dont les freins à disques.
http://www.laforo.com/default.htm

Hangzhou Sound Foundry Plant
Chinese foundry of ductile iron, gray iron, alloy iron, cast steel, and non-ferrous alloy iron.
http://www.sound-foundry.com/

The Prototyper, Inc
3D design, rapid prototypes, cast and cut tooling for injection, blow, vacuum formed, fiberglass, iron, steel, aluminum, sand casting, plaster casting, v-process, and investment casting.
http://theprototyper.com/

Iron Casting Research Institute
ICRI serves iron foundry members through technology transfer. Offers a technical paper on Grey Iron metallurgy and properties, originally presented in 1969.
http://www.ironcasting.org/

Highway Hardware Inc.
A distributor of gray iron and ductile iron castings used in water distribution, drainage, and sewerage.
http://www.highwayhardware.com

Corrosion and Protection of Ductile Iron Pipe
external corrosion and protection of ductile iron pipe
http://www.angelfire.com/pop/myfile/EXTDIPhtml.htm

Solidification of Cast Iron
New ideas on the stable and metastable iron carbon diagram, graphite formation in ductile, nodular and gray cast iron,ledeburite, cementite, hypereutectic primary carbides
http://members.lycos.nl/cvdv/