Taxi companies provide transportation services to passengers using vehicles for hire. They typically operate in urban areas and can be hailed on the street, booked via phone, or requested through mobile apps. Drivers are usually licensed and trained to ensure safety and reliability. These companies often charge fares based on distance traveled and time taken. Some well-known taxi companies include Yellow Cab and Uber, which have adapted to modern technology by offering app-based services. Taxi services play a crucial role in public transportation, helping people reach their destinations conveniently.