A merger; union
Concentration is defined as close mental attention to something.
The union of something with a body already existing; association; intimate union; assimilation; as, the incorporation of conquered countries into the Roman republic.
The administrative personnel or executive structure of a business
Find another word for centralization. In this page you can discover 11 synonyms, antonyms, idiomatic expressions, and related words for centralization, like: consolidation, subordination, systematization, unification, federalization, concentration, incorporation, organization, centralisation, decentralization and bureaucratisation.