Holt Cat Irving primarily carries products from Caterpillar, which is one of the most recognized brands in heavy equipment and machinery. Caterpillar provides a wide range of equipment, including excavators, bulldozers, loaders, and more, designed for various industries such as construction, agriculture, and mining. In addition to Caterpillar, Holt Cat Irving may offer parts, services, and rentals that are compatible with other brands as well. They focus on providing customers with high-quality equipment and support to meet their specific needs. For the most current information regarding the brands and products available, it is advisable to check the official Holt Cat Irving website, as they regularly update their inventory and offerings to reflect market demands and technological advancements.