The Canada School of Public Service, a government organization whose mandate is to provide a range of learning activities to build individual and organizational capacity and management excellence within the Canadian Federal Public Service.
•
Christian Science Publishing Society, the publishing arm of The First Church of Christ, Scientist in Boston, Massachusetts
•
Czech-Slovak Protective Society, an organization dedicated to the cultural preservation of Czech and Slovak immigrants in the United States
Within the United States and Canada, Neustar administrates the North American Numbering Plan, the authoritative directories that manage virtually all telephone area codes and numbers, and enables the routing of calls among thousands of competing communications service providers (CSPs).