Murlin Chemical Inc. Pennsylvania-based manufacturers of bone ash. Aluminum grade bone ash is used in aluminum smelting; synthetic grade for copper and brass. http://www.murlinchemical.com/

Jiangsu Animal By-products Corp. A state-owned provincial foreign trade enterprise that supplies rabbit hair, down, leather, bristles and fur. http://www.jabp.com/

Boone Tanning, Inc. Tanner and dyer of sheepskin with the wool attached, known as shearling. http://www.boonetanning.com/

Render Magazine Bi-monthly trade magazine focusing on the rendering industry, recyclers of animal by-products. http://www.rendermagazine.com/

Tron Offers wood charcoal production for exporters and importers. Argentina. http://www.tron-carbon.com.ar/