Prime Lube, Inc. – The Lubricant Experts Prime Prime is Prime Lube’s own API-certified private brand. Our product line consists of a wide range of automotive, heavy-duty and industrial lubricants. We make it a priority to ensure that all of Prime Prime is Prime Lube’s own API-certified private brand. Our product line consists of a wide range of automotive, heavy-duty and industrial lubricants. We make it a priority to ensure that all of our products meet the highest quality and integrity standards to keep our customers satisfied. Details Blue Sky DEF Blue Sky has been