行业描述
This U.S. industry comprises establishments primarily engaged in providing support activities for coal mining (except geophysical surveying and mapping, site preparation, construction, and transportation activities) on a contract or fee basis. Exploration for coal is included in this industry. Exploration services include traditional prospecting methods, such as taking core samples and making geological observations at prospective sites.
排除内容
Performing geophysical surveying and mapping services for coal on a contract or fee basis--are classified in Industry 541360, Geophysical Surveying and Mapping Services;
Operating coal mines or quarries on a contract or fee basis--are classified in Industry 21211, Coal Mining, based on the type of mine;
Site preparation and related construction activities on a contract or fee basis--are classified in Industry 238910, Site Preparation Contractors; and
Providing transportation activities on a contract or fee basis--are classified in Sector 48-49, Transportation and Warehousing, based on the primary activity.
关键词
Anthracite mine tunneling on a contract basis
Anthracite mining services on a contract basis (except geophysical surveying and mapping, site preparation, construction, and transportation activities)
Auger coal mining services on a contract basis (except geophysical surveying and mapping, site preparation, construction, and transportation activities)
Bituminous coal mining services on a contract basis (except geophysical surveying and mapping, site preparation, construction, and transportation activities)
Bituminous coal or lignite surface mine site development (except site preparation and related construction contractor activities) on a contract basis
Bituminous coal stripping service on a contract basis
Bituminous or lignite auger mining service on a contract basis
Blasting services, coal mining, on a contract basis
Coal mining services on a contract basis (except geophysical surveying and mapping, site preparation, construction, and transportation activities)
Coal mining support services on a contract basis (e.g., tunneling, blasting, training, overburden removal) (except geophysical surveying and mapping, site preparation, construction, and transportation activities)
Culm bank recovery, anthracite, on a contract basis
Culm bank recovery, coal, on a contract basis
Draining or pumping coal mines on a contract basis
Drilling services for coal mining on a contract basis
Exploration services for coal (except geophysical surveying and mapping) on a contract basis
Lignite mining services on a contract basis (except geophysical surveying and mapping, site preparation, construction, and transportation activities)
Mine shaft sinking services for coal mining on a contract basis
Mine tunneling services for coal mining on a contract basis
Overburden removal for coal mining on a contract basis
Prospect and test drilling services for coal mining on contract basis
Pumping or draining coal mines on a contract basis
Removal of overburden for coal mining on a contract basis
Shaft sinking for coal mines on a contract basis
Sinking shafts for coal mining on a contract basis
Stripping overburden services for coal mining on a contract basis
Tunneling services for coal mining on a contract basis
