William H. Sadlier Competitors and Similar CompaniesClear all
William H. Sadlier's competitors and similar companies include Apex Learning, Scholastic, LeapFrog and Mount Tom Day Camp.
 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 1920 | Founding Date N/A | Founding Date 1955 |
Type | Type Private | Type Private | Type Public | Type Subsidiary | Type Private |
Tags | |||||
Locations | Locations New York, US HQ | Locations Richardson, US HQ Bloomington, US Seattle, US | Locations New York, US HQ | Locations Emeryville, US HQ | Locations New Rochelle, US HQ |
Employees | Employees 2151% increase | Employees 1402% decrease | Employees 4,9803% decrease | Employees 479 | Employees 11 |
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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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Scholastic
HQ
New York, US
Employees
4,980↓ 3% decrease
Scholastic is a publisher and distributor of children's books.
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LeapFrog
HQ
Emeryville, US
LeapFrog Enterprises is a developer of educational entertainment for children.
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Mount Tom Day Camp
HQ
New Rochelle, US
Employees
11
Mount Tom Day Camp is a summer day camp that provides childhood programs.
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