As an inter-Mennonite facility the Mennonite Heritage Archives holds the records of individuals, families, congregations, and organizations within the Mennonite community. As a part of Canadian Mennonite University, Centre for Transnational Mennonite Studies, and Mennonite Church Canada, the Mennonite Heritage Archives the official repository of the following organizations:
- Canadian Mennonite Board of Colonization (CMBofC)
- Christian Mennonite Conference – Waisenamt Archive (CMC)
(formerly Chortizer Mennonite Conference) - Evangelical Mennonite Conference (EMC)
- Evangelical Mennonite Mission Conference (EMMC)
- Manitoba Mennonite Historical Society (MMHS)
- Mennonite Central Committee Manitoba (MCC Manitoba)
- Mennonite Central Committee Canada (MCC Canada)
- Mennonite Church Manitoba (MC Manitoba)
- Mennonite Church Canada (MC Canada)
- Mennonite Historical Society of Canada (MHSC)
- Westgate Mennonite Collegiate (WMC)
The archives specializes in the preservation of Prussian, Russian, and Canadian Mennonite community documents.