Our company philosophy is to provide a safe environment for both our employees and our community. 
Our leather is the old style "vegetable tannage," so named to denote its organic (plant based) origins.  Prior to 1990, 95% of all leather was tanned this way, though it is now less than 5%.  The raw materials used in this process are primarily organic in nature.  Our largest used chemicals are tannins from tree bark (made by boiling the bark in the water, just as tea and coffee are made, and a chemical present in any stream in forested areas), limestone (for removing the hair, and also used for adjusting pH in both drinking water and municipal wastewater systems), and oils (from fish and animals).  The organic nature of our leather means that it is the most biodegradable of all leathers...
 
Website: http://www.hermannoakleather.com