Nassco is a recognized leader in the distribution of janitorial and packaging supplies. As a family-owned business, our goal ... is to build lasting relationships by offering cost-effective solutions through utilization of quality products and exceptional customer service. Our headquarters is located in New Berlin, Wisconsin. Nassco is strategically located to serve Wisconsin and Northern Illinois We service many market segments including: industrial, healthcare, schools/churches, hospitality, food processing, government, building services/contractors, restaurants and property management. Nassco stocks over 7,000 items in our 100,000 square foot New Berlin facility. Having access to tens of thousands of items from our over 250 nationally recognized suppliers, allows us to provide a wide range of products and support to satisfy the varied needs of our customers. read more