What are the sizes and types of tires are you shopping for.
Michelin doesn't make a classic RWL tire in any size or profile.
Most common RWL tires are the Cooper Cobra, Mickey Thompson Street S/T ( made by Cooper Tire), BF Goodrich T/A.
A few sizes of larger 15" Firestone-Firehawk Indy 500.
Only recent changes by Cooper Tire was that Goodyear Tire acquired them last year.