Shell Oil's parent company is Royal Dutch Shell.
shell makes the motor oil it used to be valvoline in 2005- 2009 now 2010-2013 shell takes over work in the oil department its the truth.
According to Shell Oil, it does not use MMT in its motor fuels.
Penzoil makes Quacker State Motor oil
mobil makes the oil
Shell
Shell
Advance motor oil is made by Coastal
PEAK makes peak motor oil, they are known for their antifreeze products before they launched their motor oil line. It's apparently already sponsored the IndyCar when it was first launched in 2007, and is being called "premium motor oil".
Omni specialty packaging makes the orilly brand oil
Omni specialty packaging makes the orilly brand oil
Advance motor oil is made by Coastal
If it is the conventional oil it REALLY does NOT matter who makes it. Most conventional motor oils are the same. With conventional motor oil just use the recomended viscosity and change it often.