Grumbach - Reiling Ersatzbrennstoffe GmbH & Co. KG (G.R.E.) huwa fornitur ta 'prodotti u servizzi bħal jirrifjutaw fjuwils derivati ​​(rdf), solidu,briquettes, karta,jirrifjutaw fjuwils derivati ​​(rdf), likwidu,jirrifjutaw karburanti dderivati ​​(rdf), pasteous,pellets, tiben,pellets, injam,pellets, ħliefa ġirasol.