This industry comprises establishments primarily engaged in renting or leasing one or more of the following without operators: heavy construction, off-highway transportation, mining, and forestry machinery and equipment. Establishments in this industry may rent or lease products, such as aircraft, railroad cars, steamships, tugboats, bulldozers, earthmoving equipment, well-drilling machinery and equipment, or cranes. Renting or leasing automobiles or trucks without operators--are classified in Industry Group 5321, Automotive Equipment Rental and Leasing; Renting or leasing air, rail, highway, and water transportation equipment with operators--are classified in Sector 48-49, Transportation and Warehousing, based on their primary activity; Renting or leasing heavy construction equipment with operators--are classified in Industry Group 2389. Other Specialty Trade Contractors; Renting or leasing heavy equipment for mining with operators--are classified in Industry 21311, Support Activities for Mining; Renting or leasing heavy equipment for forestry with operators--are classified in Industry Group 1153, Support Activities for Forestry; and Leasing heavy equipment in combination with providing loans to buyers of such equipment--are classified in Sector 52, Finance and Insurance.