Tech firms are companies that focus on developing and selling technology products or services. These businesses can range from small startups to large corporations and often specialize in areas like software development, hardware manufacturing, or internet services. Examples of well-known tech firms include Apple, Google, and Microsoft, which create products that many people use daily. These companies play a significant role in driving innovation and shaping the modern economy. They invest heavily in research and development to create new technologies, improve existing products, and enhance user experiences. As a result, tech firms contribute to advancements in various fields, including artificial intelligence, cloud computing, and cybersecurity.