DERK DERK is a civil engineering company engaged in mining works for
geomechanics, geotechnics, and geology sectors. | ![]() Hongcheng Environmental Technology Company Hongcheng Environmental Technology Company (鴻承環保科技有限公司) is a company that provides gold mine hazardous waste treatment services. | ||||
Founding Date | Founding Date 1919 | Founding Date 1983 | Founding Date 1943 | Founding Date 1999 | Founding Date 2011 |
Type | Type Private | Type Private | Type Private | Type Private | Type Public |
Tags | |||||
Locations | Locations Cape Town, ZA HQ | Locations Melbourne, AU HQ | Locations HQ | Locations Providencia, CL HQ | Locations HQ |
Employees | Employees 4942% increase | Employees 2511% increase | Employees 691% increase | Employees 2871% decrease | Employees N/A |

AMC Consultants is a consultancy firm.
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John T. Boyd is a mining and geological consulting firm.
View companyDERK is a civil engineering company engaged in mining works for geomechanics, geotechnics, and geology sectors.
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Hongcheng Environmental Technology Company (鴻承環保科技有限公司) is a company that provides gold mine hazardous waste treatment services.
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