NEB is a cooperative laboratory of experienced scientists dedicated to providing research products of the highest purity to the scientific community. Established in the mid-1970s as a private cooperative of experienced scientists, New England Biolabs is a world leader in the production of restriction endonucleases and other related products for molecular biology research. Housed in modern USA headquarters, NEB's facilities include a large scale fermentation center and fully equipped laboratories for production, quality control, product development and basic research. As one of the first companies to produce restriction endonucleases on a commercial scale, NEB continues to specialize in restriction endonucleases and consistently maintains a position at the forefront of this field. In addition, NEB is now involved in the rapidly expanding field of RNAi.