Specialized livestock workers carry out feeding, health and breeding programs on dairy, beef, sheep, poultry, swine and other livestock farms. Farm machinery operators operate and maintain farm machinery and equipment. They are employed on crop, livestock, fruit, vegetable and specialty farms.

Fishing vessel deckhands perform a variety of manual tasks on commercial fishing voyages, and maintain fishing vessels. They are employed by establishments that operate commercial fishing vessels and by self-employed fishermen/women.