Houghton Mifflin Harcourt
Houghton Mifflin Harcourt is a Boston-based company founded in 1832 by Henry Oscar Houghton.
AngelList URL
B2X
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CIK Number
Company Operating Status
Active
Competitors
Country
Crunchbase URL
Email Address
orders@hmhco.com
Facebook URL
Founded Date
1832
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Founder
Headquarters
Invested in
Investors
IRS Number
271,566,372
ISNI
0000000121960375
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Legal Entity Identifier
Legal classification
LinkedIn URL
Location
Number of Employees (Ranges)
1,001 – 5,000
Open Library ID
OL160282A
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Owner of
Place of Incorporation
SIC Code
2,731
Exchange
Stock Symbol
HMHC
Subsidiary
Twitter URL
VIAF
159556432
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Official Website
Wellfound ID
Wikidata ID
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