Avloppscenter AB https://www.wastewatercenter.com/
Great online store with a huge catalogue of products. Knows the Eco-toilets very well. Sells mainly in Sweden and Europe. Physical stores in Västerås and Stockholm, Sweden. Speaks Swedish, English, French. Always carry stock of the Eco-toilets.
Hyttetorget has the best stores and products in Norway for everything to cottages. About 10 physical stores in Norway and a great online store. Always carry stock of the Eco-toilets.