HRSynthetics - Amsoil Dealer HRSynthetics provide custom lubrication solutions to all types of customers. From families to trucking fleets, we have the products and expertise to help you save time and money. We serve customers across North America, and we are always happy to help any way we can. AMSOIL specializes in developing synthetic lubricants that offer innovative answers to the greatest challenges vehicles and equipment present. The extraordinary performance of AMSOIL synthetic lubricants in a range of markets – automotive, powersports, industrial, racing and more – has made our influence in the industry unmistakable and our brand highly respected. Our commitment to innovation has resulted in legions of brand-loyal customers.