- Castle Forest Lodge on the southern slope of Mount Kenya, is a hotel and campsite. Visit the website, and you will immediately understand why we love Kenya. Of course at the campsite we use renewable energy.
- Groetjes uit Scheveningen describes a small holiday home in Scheveningen located about 150 metres from the sea.
- OJA-Services is already more than 20 years the partner of OKE-Services. It is the one-woman company of Irene de Jong. Besides her activities in the field of renewable energy, she also designs websites.
- Rent my house describes the holiday home we rent in Scheveningen.
- Vakantiewoning Scheveningen describes another small holiday home in Scheveningen also close to the sea.