- Thorndike Press, a part of Gale, a Cengage Company, Waterville, ME, 2024
- Thorndike Press a part of Gale, a Cengage Company, Waterville, ME, 2022
- Wheeler Pub., Waterville, ME, 2011, c2006
- Thorndike Press, a part of Gale, a Cengage Company, Waterville, ME, 2020
- Wheeler Publishing, a part of Gale, a Cengage company, Waterville, ME, 2022
- Thorndike Press, Waterville, ME, c2004
- Thorndike Press, a part of Gale, a Cengage company, Waterville, ME, 2022
- Thorndike Press, Waterville, ME, 2021
- Thorndike Press, Waterville, ME, 2023
- Five Star, Waterville, ME, 2002
- Thorndike Press, Waterville, ME, 2001
- Thorndike Press, Waterville, ME, 2003
- Thorndike Press, Waterville, ME, 2004
- Thorndike Press a part of Gale, a Cengage Company, Waterville, ME, 2020
- Wheeler Publishing, a part of Gale, a Cengage Company, Waterville, ME, 2020
- Thorndike Press, a part of Gale, a Cengage Company, Waterville, ME, 2019
- Thorndike Press, Waterville, ME, 2019
- Thorndike Press, Waterville, ME, 2005, C2004
- Wheeler Publishing, a part of Gale, a Cengage Company, Waterville, ME, 2021
- Wheeler Publishing, Inc., Waterville, ME, 2019