Since 2006, COSTEP MA has worked with a range of public and private, non-profit cultural institutions and agencies in the state, as well as a range of federal, state, and municipal emergency management agencies.
Academic and Research Libraries/Consortia
- Harvard University Library Preservation Services
 - Boston Public Library
 - Smith College
 
Local Emergency Managers and Municipal Staffs
- City of Salem
 - Massachusetts Town Clerks Association
 - Boston: Mayor’s Office of Emergency Preparedness
 
Built Heritage
- Historic New England
 - Preservation Massachusetts
 - Massachusetts Historical Commission
 - National Trust for Historic Preservation
 - Association for Preservation Technology International (APT)
 
Museums
- New England Museum Association (NEMA)
 
Historical Societies, Historic Homes, Small Museums
- Massachusetts Historical Society (MHS)
 - Bostonian Society
 - House of Seven Gables Museum
 
Library/Archive/Museum Preservation Services and Organizations
- Northeast Document Conservation Center (NEDCC)
 - Foundation of the Advancement in Conservation (FAIC)
 - New England Conservation Association (NECA)
 
Federal Agencies
- Federal Emergency Management Agency (FEMA)
 - National Weather Service (NWS)
 - National Parks Service (Historic Architecture
 - Conservation and Engineering Center (HACE)
 - Heritage Emergency National Task Force (HENTF)
 - National Archives and Records Administration (Waltham).
 
Massachusetts Agencies
- Massachusetts Emergency Management Agency (MEMA)
 - Massachusetts Archives
 - Massachusetts Board of Library Commissioners (MBLC)
 - State Library of Massachusetts
 - Massachusetts Library System (MLS)
 
