Micronutrients, a division of Heritage Technologies, is one of approximately 28 companies that comprise The Heritage Group. The company specializes in mineral feed ingredients for animal nutrition and electronic circuit board etchants. Its mineral feed division s goal is to design an entire family of essential trace mineral salts with similar characteristics. Its circuit board etchants division is a major supplier of fresh alkaline etchant to the printed wiring board industries in North America. The company s facilities are ISO 9001:2000 registered and certified. Micronutrients maintains facilities in Indianapolis.