The phrase "different companies" refers to multiple business organizations or corporations that are separate and distinct from one another. These entities may have different names, ownership structures, goals, products/services, customers, and management teams. They operate independently and compete with each other in the marketplace for customers, talent, and resources. The term "different companies" can be used to describe a variety of businesses across various industries such as technology, finance, healthcare, retail, manufacturing, etc., that are not affiliated with one another but operate within the same industry or sector.