B2C Business-to-Clients, a magazine for clients
These are publications intended to increase consumers’ loyalty to a product and the services of a company. ‘Client’ publications not only acquaint readers with a company’s latest developments but also, as a rule, provide information about its educational and social character.

B2B Business-to-Business, a magazine for partners
These are publications for partners of the company. Its attention is focused on company news and information of a professional nature.

B2P Business-to-Personnel, a publication for employees
Internal corporate publications. Their role is to improve communications between colleagues of a specific company and to provide information about any company developments, its progress and indeed its own employees. As a rule, such publications are only circulated internally within the company.

There also exist:

Made-to-order publications: (often used, for example, to promote a specific brand image, for any kind of business or company, in an indirect, subliminal way).

Event-Publications (spotlighting any kind of corporate event).  

Reports

(professionally registered, drawn-up documents, containing information about companies’ annual reports).