silo

siilo, varastosiilo puhekieltä A vertical building, usually cylindrical, used for the storage of grain.
puhekieltä An underground bunker used to hold missiles which may be launched.
puhekieltä An organizational unit that has poor interaction with other units, negatively affecting overall performance.
2006, Albert J. Mills, Jean C. Helms Mills, John Bratton, Organizational Behaviour in a Global Context, Page 116

A silo is created when members in one department or function do not interact with those in another department, even though there might be operational benefits to the interaction.

Our networking is organized in silos, and employees lose time manually transferring data.