AMSOIL INC. exemplifies the American values of enterprise, innovation, and hard work. Al Amatuzio’s initial concept half a century ago has grown into a global leader in synthetic lubricant technology. Regardless of the cost savings associated with manufacturing in other countries, they remain committed to formulating, blending, and packaging AMSOIL synthetic lubricants & protectants in the United States. Invest in their lubricant synthetic oil today!