ABM Industries ABM Industries is a company that provides facility, engineering, and infrastructure solutions. | ![]() STFA Group STFA Group (STFA Investment Holding Group) is a company providing services in the construction and construction equipment sectors. | |
Founding Date | Founding Date 1909 | Founding Date 1938 |
Type | Type Public | Type Private |
Tags | ||
Locations | Locations Istanbul, TR HQ Istanbul, TR | |
Employees | Employees 113,0003% decrease | Employees 795% increase |
Financial | ||
Revenue (est.) | Revenue (est.) $8.7b (FY, 2025) | Revenue (est.) ₺2.5b (FY, 2013) |
Net income | Net income $162.4m (FY, 2025) | Net income ₺8.4m (FY, 2013) |

STFA Group (STFA Investment Holding Group) is a company providing services in the construction and construction equipment sectors.
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