[5] John Spring, a Polish immigrant, started his business in 1932 on Astoria Boulevard, at the end near what is now the Socrates Sculpture Park.

[2] Spring built the business on close relationships with a small group of "prominent and prolific" artists.

Among the artists who have worked there are Jose de Creeft, Jacques Lipchitz, Louise Bourgeois,[3] Gaston Lachaise, Joan Miró, Alexander Archipenko, and Isamu Noguchi.

[3] Workers first create a wax copy of the artist's original model and then apply a plastic coating to it.

[7] In 2002, artisans at the foundry replaced the original zinc statues that were part of the 1867 Civil War Soldiers Monument in the Green-Wood Cemetery, Brooklyn, with bronze replicas.