Grease Recycle industrial grease through specialized companies. DARLING INTERNATIONAL 1002 Belt Line Avenue Cleveland, OH 44109 (216) 351-3440 OTTO BY PRODUCTS 2890 West 3rd Street Cleveland, OH 44113 (216) 554-6886 QUASAR ENERGY GROUP 13550 Aspinwall Avenue Cleveland, OH 44110 (216) 986-9999