Titan Greece - a cement and building material producer - plays an active role in the implementation of a circular economy model at various stages of the production process.

In France, the designer Lucile Viaud found her way to contribute to organic recycling. More precisely, to recycling of seafood waste. Her work is focused on transforming oyster shells into glass.

SirPlus, based in Germany, is an example of a business which avoids food waste to its utmost. It consists of a supermarket that sells food rejected by other stores for being considered out of the regular aesthetics for a supermarket – for instance, ugly fruit and vegetables, jars labelled incorrectly, or goods near or past expiry date.

RAU has been working in the architectural sector focusing on the design of sustainable buildings. Their projects include buildings for public/private sectors, with an integrated design methodology.

CIAK is a waste management company from Croatia that focuses on recovering hazardous and non-hazardous waste. Focusing on recovering and recycling accumulators and batteries, CIAK helps closing the loop for these products.

Filippa K is a Swedish fashion brand which has taken significant steps to support sustainable consumption and design. The brand follows the "four Rs" of Reduce, Reuse, Recycle, Repair in order to encourage more mindful consumption and diminish fashion's impact on the environment.

Bedzzzy is a great example of a 'product as a service'. Based in the Netherlands, it targets old mattresses which are a major source of waste, producing its own recyclable mattresses – the world’s very first 100% circular mattresses.

Reet Aus is a PhD-qualified fashion designer who founded her own brand that focuses on sustainable fashion. She has studied the issue of waste in the fashion industry.

Remondis is one of the world's largest recycling, service and water companies with over 30 000 employees and 900 business locations. The Lippe plant in Lünen is one of their largest sustainable projects: it has a surface area of 230 ha and is the largest industrial recycling plant in Europe.

Nasekomo is a company based in Bulgaria that uses insects (specifically Black Soldier Flies) to produce sustainable insect protein, oils and fertilisers that can be used for feed and in agricultural industries. Nasekomo’s goal is to use – and increase the usage of – these insects as part of a global solution to the issues caused by the exponential consumption of meat.

The Carlsberg Group, in cooperation with innovation experts EcoXpac, packaging company BillerudKorsnäs and post-doctoral researchers from the Technical University of Denmark, have been working on "Green Fibre Bottles" – a "paper bottle" for beer. 

Rombat is the largest producer of car batteries in Romania. Since 2005, the company has been collecting vehicle batteries to extract the lead they contain, recycle them and manufacture new batteries. The batteries are processed at the 3.7 ha Rebat facility in Copșa Mică.

The Hungarian fashion brand Sharolta makes upcycled denim clothes and bags in Budapest. They collect jeans at several collection points in the city, and work with companies that can provide them with textile waste.

PDR is a German company with extensive expertise in recycling materials, which has developed a groundbreaking technique to reuse polyurethane (PU) foam cans. In Germany, about 25 million cans are used each year, and a federal legislature has classified used PU foam cans as polluting waste which must be recycled.