William H. Sadlier Competitors and Similar CompaniesClear all
William H. Sadlier's competitors and similar companies include Apex Learning and LeapFrog.
 William H. Sadlier William H. Sadlier is a provider of educational materials in print and digital formats. |  Apex Learning Apex Learning is a provider of digital curriculum for secondary education schools in the U.S. | ||
Founding Date | Founding Date 1832 | Founding Date 1997 | Founding Date N/A |
Type | Type Private | Type Private | Type Subsidiary |
Tags | |||
Locations | Locations New York, US HQ | Locations Richardson, US HQ Bloomington, US Seattle, US | Locations Emeryville, US HQ |
Employees | Employees 2151% increase | Employees 1402% decrease | Employees 479 |
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Apex Learning
HQ
Richardson, US
Employees
140↓ 2% decrease
Apex Learning is a provider of digital curriculum for secondary education schools in the U.S.
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LeapFrog
HQ
Emeryville, US
LeapFrog Enterprises is a developer of educational entertainment for children.
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