![]() HOUGHTON MIFFLIN COMPANY Houghton Mifflin Harcourt (HMH) is an education technology company providing K-12 core, supplemental, intervention, and professional learning solutions. | ||
Founding Date | Founding Date 1832 | Founding Date 1992 |
Type | Type Private | Type Subsidiary |
Tags | ||
Locations | Locations San Mateo, US HQ London, GB Arlington, US | |
Employees | Employees 4,5631% decrease | Employees 2641% decrease |

Rosetta Stone is a company that provides technology-based language learning solutions.
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