While Walmart's SuperTech Full Synthetic 10W30 Motor Oil manufacturer is not confirmed, sources suggest that it was produced by various oil blenders.
Unofficial sources suggest the oil is formulated and blended by Warren Performance Products or WPP, which is one of the largest independent oil blenders and also a wholesale distributor for various automotive products in the U.S.
Others said that it is made by Pennzoil and repacked by Walmart.
Another possible maker of this oil is the CITGO Petroleum Corporation, as a document from Walmart states that this company is the supplier of the SuperTech oil. Refer on the document below.
h:wercs.ps via kwout
Browse Walmart featured auto services and wide range of automotive products from tires and batteries to oil and lubricants.
Choosing the correct motor oil for your car might seem daunting but the best way to start is by checking out the starburst symbol that indicates the oil has been tested and meets the standards of the American Petroleum Institute (API).
Here's how to pick the right motor oil for your car shared by Popularmechanics.com.