Organization Structure

Management Structure and Organizations
Organizational Charts
Internal and External Communications

Some articles about Organizational Structure in your company that helps with vocabulary and expressions.

http://revisionworld.com/a2-level-level-revision/business-studies-level-revision/structure-and-growth/management-structure-organisation

http://revisionworld.com/gcse-revision/business-studies/organisation-structure/internal-organisation

http://www.bbc.co.uk/education/guides/zpxtfg8/revision