Intracompany is a term used to describe things within a company or organization. There are several synonyms that can be used in place of this word depending on the context. For example, "in-house" is often used to refer to something that is done within the company's own premises. "Internal" is another synonym that can be used to describe activities or operations that take place within the company. "Corporate" is a term that can be used to describe things that are related to or controlled by a company. Another alternative can be "interdepartmental", which refers to activities taking place between different departments of the same company. These synonyms can be used interchangeably depending on the sentence's context.