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Heartland Express Inc, along with its subsidiaries, operates as a short, medium, and long-haul truckload carrier and transportation services provider. It mainly provides nationwide asset-based dry van truckload service for shippers across the United States, along with cross-border freight and other transportation services offered through third-party partnerships in Mexico. The group operates under the brand names of Heartland Express, Millis Transfer, Smith Transport, and CFI (for services within Mexico).

Tesla is a vertically integrated battery electric vehicle automaker and developer of real-world artificial intelligence software, which includes autonomous driving and humanoid robots. The company has multiple vehicles in its fleet, which include a midsize sedan and crossover SUV in the entry-level luxury category, a luxury light truck, and a semitruck. Tesla also runs a robotaxi service in four US metropolitan areas. Global deliveries in 2025 were nearly 1.64 million vehicles. Additionally, the company sells batteries for stationary storage for residential and commercial properties, including utilities, solar panels, and solar roofs for energy generation. Tesla also owns a fast-charging network and a US auto insurance business.