The HMH brand, founded in 2007 (United States), from
7 sister brands
and 138 competing brands.
The HMH brand is owned by Houghton Mifflin Harcourt Co, a company listed in New York.
HMH belongs to the Education business sector.
HMH is a brand of Houghton Mifflin Harcourt Co (HMHC) Share price