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158,271
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in:
Video game publishers
,
Ireland
,
United States
,
and
5 more
1995
Publishing
Boston
Massachusetts
Mergers
Houghton Mifflin Harcourt Learning Technology
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History
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Contents
1
Riverdeep
1.1
1995-present
2
Houghton Mifflin Harcourt Learning Technology
2.1
2010-2011
2.2
2011-2012
2.3
2012-present
2.3.1
2012-2013
2.3.2
2013-present
Riverdeep
[
]
1995-present
[
]
Stacked version.
Houghton Mifflin Harcourt Learning Technology
[
]
2010-2011
[
]
2011-2012
[
]
2012-present
[
]
2012-2013
[
]
2013-present
[
]
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