VOSB perform crane modifications, repairs, upgrades, and removal to meet OSHA compliance inspections on all types of overhead cranes and monorail systems.

Geophysical and geological surveys, data processing and interpretation.

Bituminous Coal and Lignite Surface Mining, Bituminous Coal Underground Mining, Anthracite Mining, Iron Ore Mining, Gold Ore Mining

Crude Petroleum and Natural Gas Extraction, Natural Gas Liquid Extraction, Bituminous Coal and Lignite Surface Mining, Bituminous Coal Underground Mining, Anthracite Mining

Lead Ore and Zinc Ore Mining, Other Crushed and Broken Stone Mining and Quarrying, Other Heavy and Civil Engineering Construction, Ready-Mix Concrete Manufacturing, Brick, Stone, and Related Construction Material Merchant Wholesalers

Crude Petroleum and Natural Gas Extraction, Lead Ore and Zinc Ore Mining, Copper Ore and Nickel Ore Mining, Uranium-Radium-Vanadium Ore Mining, All Other Metal Ore Mining

Oilseed and Grain Combination Farming, Nursery and Tree Production, All Other Miscellaneous Crop Farming, Forest Nurseries and Gathering of Forest Products, Soil Preparation, Planting, and Cultivating

Gold Ore Mining, Silver Ore Mining, Lead Ore and Zinc Ore Mining, Support Activities for Oil and Gas Operations, Support Activities for Metal Mining

Iron Ore Mining, Gold Ore Mining, Silver Ore Mining, Lead Ore and Zinc Ore Mining, All Other Metal Ore Mining