The Altena Group consists of:

Altena Cleaning B.V.

- cleaning and coating air-cooled heat exchangers,
- cleaning water-cooled heat exchangers,
- cleaning and disinfecting cooling towers,
- cleaning and disinfecting air ducts
- reinigen, desinfecteren en renoveren van luchtbehandelingskasten.

Altena Industrial Services B.V.

- cleaning installations in the petrochemical and feedstuffs industry,
- houses a cleaning unit containing high-pressure and ultrasonic baths,
- has it own laboratory.

Altena Inspection

- high-quality non-destructive inspection of installations,
- inspecting pipes for eddying,
- endoscopic and microbiological inspection,
- tube inspection
- camera inspection

Altena Services B.V.

- cleaning induction units,
- maintaining air-conditioning units,
- providing filters, V-belts and V-belt pulleys,
- aligning V-belt drives,
- handling logistical transport with regard to filters, exchanging filters,
- providing a full report on tje status of air-conditioning units,
- NEN 2767-inspections.

Global Air Systems B.V.

- developing and manufacturing plastic air-conditioning units,
- partial replacement of air-conditioning units in plastic,
- renovating existing air-conditioning units using plastic plating,
- providing/replacing components such as ventilators, heat exchangers, regenerators, humidifying packages, metering gates, etc.