Orffa Additives Orffa's additives division provides the pan-European market with a complete range of ingredients and specialty feed additives and offers nutritional solutions for livestock, pets and aquaculture. Orffa Pharma Orffa's Pharma division is a leading player in the area of active pharmaceutical ingredients and vitamins for the pharmaceutical and the veterinarian industry. Excentials Excentials is the global vehicle to export Orffa's unique business model and offers specialty feed additives and nutritional solutions for markets outside Europe.