- South End Press
Collectively run 30 year-old publishing group of titles that nuture and inspire radical social change.
- Candlewick Press
Publications include picture books, easy readers, middle grade and young adult fiction, nonfiction, and activity books.
- Birkhauser Boston
- Kluwer Law International
Publisher of international legal books, journals, software, and CD-ROMs.
- Educators Publishing Service
Publisher of supplementary materials for the regular K-12 classroom that focus on language arts.
- Circlet Press
Publishes a wide range of erotic science fiction and fantasy, queer-themed SF/F, and sex-related nonfiction.
- International Press
Publisher of textbooks and journals in the areas of mathematics and physics.
- Hackett Publishing Company
Specializes in the humanities, including philosophy, classical works, literature, political theory, and the history of science.
- Frontline Publishing
Helping healthcare providers train, develop, and keep their quality frontline caregivers.
- Brookline Books/Lumen Editions
Publishes books on disabilities, literacy, and psychology, as well as literature and poetry.