This is the 164th most frequent Japanese word.
企業
"企業" means "enterprise" or "company."
Here, "企業" refers generically to 'businesses' or 'companies' as a collective entity contributing to the economy.
企業は経済の基盤です。
Businesses are the foundation of the economy.
In this sentence, "企業" is used to refer to a specific type of company, namely in the IT sector.
彼はIT企業で働いています。
He works at an IT company.
Here, "企業" represents the act of establishing a business entity, emphasizing its entrepreneurial aspect.