There are several companies in Saudi Arabia that are leading the industry in artificial intelligence (AI). Some of the notable companies in the field include:

1. Wadi.ai: This company specializes in natural language processing (NLP) and machine learning. They offer a wide range of AI-based solutions, including chatbots and virtual assistants, to businesses and organizations in the region.

2. Nauto: This company uses AI and computer vision to provide advanced driver assistance systems (ADAS) for cars and trucks. They also offer fleet management solutions for businesses in the transportation industry.

3. Misk Innovation: This company is a subsidiary of the Misk Foundation, which was established by the Saudi Crown Prince. They focus on developing and investing in technologies such as AI, machine learning, and blockchain.

4. FalconEye: A Saudi AI-based company that specializes in providing advanced security solutions for businesses and organizations. They offer a range of services such as surveillance, facial recognition and biometric identification.

5. Taqnia AI: A joint venture between Saudi Arabia's TAQNIA and the Spanish company Vicomtech, Taqnia AI focuses on using AI to improve various industries such as energy, healthcare, and transportation.

6. Huminah Huminah AI: a Saudi-based company that provides businesses with AI-based solutions that include natural language processing, computer vision, and machine learning.

These are just a few examples of the companies that are leading the AI industry in Saudi Arabia. The country is home to a growing number of startups and businesses that are working on innovative AI solutions, and the government's efforts to promote the development of AI are likely to result in even more companies entering the market in the coming years.