Blasting services, nonmetallic minerals mining (except fuels) on a contract basis

Boring test holes for nonmetallic minerals mining (except fuels) on a contract basis

Draining or pumping of nonmetallic mineral mines (except fuels) on a contract basis

Drilling services for nonmetallic mineral (except fuels) mining on a contract basis

Exploration services for nonmetallic minerals (except geophysical surveying and mapping) on a contract basis

Mine development for nonmetallic minerals mining (except fuels) on a contract basis

Mine shaft sinking services for nonmetallic minerals (except fuels) on a contract basis

Mine tunneling services for nonmetallic minerals (except fuels) on a contract basis

Nonmetallic minerals mining support services (e.g., blasting, shaft sinking, tunneling) (except site preparation and related construction contractor activities) on a contract basis

Overburden removal for nonmetallic minerals mining (except fuels) on a contract basis

Prospect and test drilling services for nonmetallic mineral mining (except fuels) on a contract basis

Pumping or draining nonmetallic mineral mines (except fuel) on a contract basis

Removal of overburden for nonmetallic minerals mining (except fuels) on a contract basis

Stripping overburden services for nonmetallic minerals mining (except fuels) on a contract basis

Test drilling for nonmetallic minerals mining (except fuel) on a contract basis