Conoco Inca Oil is or was manufactured by ConocoPhillips. The product offered by PSC is either Conoco Inca Oil or a replacement product of similar quality and performance. For additional product information, when you are on the individual product page, just scroll down to the "Additional Information" section or use our convenient Jump-Link navigator on the right hand side. There you will find links to additional product information such as Product Data Sheets, SDS, Product Manuals...