Northstar Glassworks Inc. is the premier borosilicate color glass manufacturer in the USA. We are a small business that strives to make the best products in the color glass industry. We are the pioneers of borosilicate color rod and tubing. With Abe Fleishman and his amazing team at the helm we offer the widest range of colors known to the industry. Our hard work and creative innovation to better our current products and create new products is dedicated to the artist to advance their skill and knowledge about glass. Keep your eyes open for new and exciting products as they become available!!!