[1][2] Sterilite was founded in 1939 in Fitchburg, Massachusetts as a partnership between Saul and Edward Stone and Earl Tupper, the inventor of Tupperware.

The company gained initial business by selling plastic goods to the Armed Forces during World War II.

The company later expanded operations to produce toys, storage tools, giftware, and other plastic items.

[5] The company has since opened manufacturing plants in Birmingham, Alabama, Lake Havasu City, Arizona, Massillon, Ohio, Clinton, South Carolina, Ennis, Texas, and Davenport, Iowa.

[6] In 2009, Sterilite donated a new public library and senior center to Townsend, the largest gift in the town's history.