![]() TDF Group TDF (Télédiffusion de France) is a company that operates and manages telecommunications and broadcasting infrastructures, secure networks, and connectivity services for public and private sectors. | ![]() EFR EFR is a system provider that offers long-wave services for energy management, lighting control, feed-in management, smart grid, and data. | ||
Founding Date | Founding Date 1975 | Founding Date 1993 | Founding Date N/A |
Type | Type Private | Type Private | Type Private |
Tags | |||
Locations | Locations Montrouge, FR HQ | Locations München, DE HQ Wutha Farnroda, DE Kolkata, IN | Locations HQ |
Employees | Employees 1,713 | Employees 35 | Employees 12 |
Financial | |||
Revenue (est.) | Revenue (est.) €839.2m (FY, 2024) | Revenue (est.) €18.2m (FY, 2022) | Revenue (est.) N/A |
Cost of goods | Cost of goods €5.4m (FY, 2024) | Cost of goods €9.1m (FY, 2022) | Cost of goods N/A |
Gross profit | Gross profit €833.8m (FY, 2024) | Gross profit €9.1m (FY, 2022) | Gross profit N/A |
Net income | Net income €322.7m (FY, 2024) | Net income €2.9m (FY, 2022) | Net income N/A |

EFR is a system provider that offers long-wave services for energy management, lighting control, feed-in management, smart grid, and data.
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