![]() Birchtech Birchtech (formerly Midwest Energy Emissions) is a company that provides specialty activated carbon technologies for air and water purification. | ![]() Hwange Colliery Hwange Colliery is a company that explores, mines, processes, and markets coal, coke, and associated by-products. | ||
Founding Date | Founding Date 1983 | Founding Date 1899 | Founding Date 1883 |
Type | Type Public | Type Private | Type Public |
Tags | |||
Locations | Locations Corsicana, US HQ Chehalis, US Lewis Center, US Corsicana, US Corsicana, US | Locations Hwange, ZW HQ Bulawayo, ZW Harare, ZW | Locations St. Louis, US HQ Brisbane, AU Wilpinjong, AU Beijing, CN |
Employees | Employees 1417% increase | Employees 366 | Employees 5,4002% decrease |
Valuation ($) | Valuation ($) 26.8 m | Valuation ($) N/A | Valuation ($) 3.1 b |
Financial | |||
Revenue (est.) | Revenue (est.) $17.6m (FY, 2025) | Revenue (est.) N/A | Revenue (est.) $3.9b (FY, 2025) |
Net income | Net income ($3m) (FY, 2025) | Net income N/A | Net income ($42.5m) (FY, 2025) |

Hwange Colliery is a company that explores, mines, processes, and markets coal, coke, and associated by-products.
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