The plural form of foundry is foundries.
Tobbing foundry, production foundry, captive foundry, independent foundry...
Bells are cast at the foundry down the road.
Foundry is a technology of casting metals into shapes by melting them into a liquid, pouring the metal in a mold, and removing the mold material or casting after the metal has solidified as it cools.
This may be called an ironworks or a foundry.
That would be a foundry
"Foundry" is to be used as a noun. The plural is "foundries". We are to rendezvous with our contact tomorrow at oh-six-hundred hours beneath the pecan orchard on the south side of the foundry. I had my home's exterior hardware custom-forged at that foundry. I will be carting an especially heavy load of firewood to the foundry this afternoon.
Tobbing foundry, production foundry, captive foundry, independent foundry...
Foundry workers
Saracen Foundry was created in 1850.
Cloud Foundry was created in 2011.
Miners Foundry was created in 1856.
Goldens' Foundry was created in 1882.
Vulcan Foundry was created in 1832.
Railway Foundry was created in 1838.
Railway Foundry ended in 1846.
Foundry - comics - was created in 1994.
Bowmanville Foundry was created in 1901.