This minor group comprises mine service workers and operators in oil and gas drilling, including underground mine service and support workers, and oil and gas well drilling and related workers and services operators. They are employed by coal, metal and non-metallic mineral mines; drilling and well service contractors; and petroleum producing companies.

This minor group comprises logging and forestry workers, including chain saw and skidder operators, and silviculture and forestry workers. They are employed by logging companies, contractors, and government services.

This minor group comprises workers in agriculture and fishing occupations, including specialized livestock workers; farm machinery operators; and fishing vessel deckhands. They are employed by commercial fishing operators or self-employed owner-operators of fishing vessels; crop, livestock, fruit, vegetable and specialty farms; or they may be self-employed.