This U.S. industry comprises establishments primarily engaged in mechanical harvesting, picking, and combining of crops, and related activities. The machinery used is provided by the servicing establishment. Cross-References. Establishments primarily engaged in-- ? Providing personnel for manual harvesting--are classified in U.S. Industry 115115, Farm Labor Contractors and Crew Leaders; and ? Providing farm management services (i.e., on a contract or fee basis) and arranging or contracting crop mechanical or manual harvesting operations for the farm(s) it manages--are classified in U.S. Industry 115116, Farm Management Services.