Er Servicos e Engenharia Ltda. (Brazil)

Secondary Activities: Bituminous Coal and Lignite Surface Mining | Iron Ore Mining | Gold Ore and Silver Ore Mining | Copper, Nickel, Lead, and Zinc Mining | All Other Metal Ore Mining | Stone Mining and Quarrying | Crushed and Broken Limestone Mining and Quarrying | Crushed and Broken Granite Mining and Quarrying | Other Crushed and Broken Stone Mining and Quarrying | Kaolin and Ball Clay Mining | Clay and Ceramic and Refractory Minerals Mining | Other Nonmetallic Mineral Mining and Quarrying | Other Chemical and Fertilizer Mineral Mining | All Other Nonmetallic Mineral Mining | Support Activities for Metal Mining | Support Activities for Nonmetallic Minerals (except Fuels) Mining | Electrical Contractors and Other Wiring Installation Contractors | Other Nonmetallic Mineral Product Manufacturing | All Other Nonmetallic Mineral Product Manufacturing | Mining Machinery and Equipment Manufacturing | Other Construction Material Merchant Wholesalers | Metal and Mineral (except Petroleum) Merchant Wholesalers | Jewelry, Watch, Precious Stone, and Precious Metal Merchant Wholesalers | Automotive Parts and Accessories Stores | Hardware Stores | Other Building Material Dealers | Jewelry Stores | Gift, Novelty, and Souvenir Stores | Other Miscellaneous Store Retailers | All Other Miscellaneous Store Retailers (except Tobacco Stores) | All Other Information Services | Real Estate | Activities Related to Real Estate | Lessors of Nonfinancial Intangible Assets (except Copyrighted Works) | Architectural, Engineering, and Related Services | Architectural Services | Landscape Architectural Services | Building Inspection Services | Surveying and Mapping (except Geophysical) Services | Administrative Management and General Management Consulting Services | Research and Development in the Physical, Engineering, and Life Sciences | Marketing Research and Public Opinion Polling | Photographic Services | All Other Professional, Scientific, and Technical Services | Document Preparation Services | Professional and Management Development Training | All Other Miscellaneous Schools and Instruction