Company overview Bild Tenders Bild Career Bild Commitment Bild Environmental education Bild Service Bild Car wash Bild Vehicle fleet Bild Broadband expansion Bild Contacts / Locations Bild KSJ Bild Local law News Bild 20.03.2025 A strong signal for environmental protection KSJ and SDW honor environmental commitment of ZEISS AG and FC Carl Zeiss Jena on Earth Day read more Bild 12.03.2025 Collect crown caps - support nature conservation! Together for a sustainable future! Thanks to your help, we have already collected 1 ton of crown caps in 2025. read more Bild 21.02.2025 Sustainability on the rise in Jena Impressive reuse rate of 82% - the swap house sets a strong example for sustainability and resource conservation. read more Bild 19.02.2025 SaalePUTZ 2025 - Together for a clean Saale On March 15, 2025, you have the opportunity to actively contribute to keeping the Saale and its banks clean. read more Bild 17.02.2025 6. Rallies to Erfurt Numerous trucks made their way to Erfurt on February 14, 2025. read more Bild 21.01.2025 Bicycle giveaway campaign at Jena Hospice Bicycle giveaway campaign on Saturday, January 25, 2025 in the parking lot of the Jena Hospice at Paul-Schneider-Straße 5 read more Bild 17.12.2024 Changed opening hours Changed opening hours of Kommunalservice Jena facilities before and after the holidays read more Bild 16.12.2024 Christmas greetings We wish you and your family a peaceful holiday season and a happy new year! read more Bild 10.12.2024 Telephone changeover: no landline telephony On Friday, December 20, 2024, a changeover of the KSJ telephone system will take place between 1 and 3 pm. read more Bild 09.12.2024 KSJ supports fundraising campaign This year, the KSJ is once again supporting the Christmas tree fundraising campaign of the Jena Hospice. read more