Sell surplus packaging and processing equipment quickly and easily with SIGMA! Create a listing even in the deepest, darkest corner of a warehouse. Store multiple listings until you are ready to upload them to SIGMA Equipment. Take photos from the app, or choose from your phone's camera roll.SIGMA Equipment serves manufacturing businesses through the buying and selling of used packaging, processing, and support equipment. Headquartered in Evansville, Indiana, SIGMA specializes in equipment for the food and beverage, pharmaceutical, health and beauty, consumer goods, and contract packaging industries. SIGMA continues to lead the industry in utilizing the latest technologies to energize the marketplace for pre-owned equipment.