Tank Cars (Wholesale) is a subdivision of the Transportation Equipment and Supplies, except Motor Vehicles (Wholesale) industry. Companies in this industry are involved in the wholesale distribution of tank cars, which are specialized railcars designed to transport liquids and gases. These tank cars are used in a variety of industries, including oil and gas, chemicals, and food and beverage. Tank Cars (Wholesale) companies typically purchase tank cars from manufacturers and then sell or lease them to customers. They may also provide maintenance and repair services for tank cars. This industry requires a deep understanding of the technical specifications and safety regulations related to tank cars.