Here's my list:
Adult Empire - Shine Stockings, Kitty's Stockings, Angels In Stockings, Sexy Nylon Stockings, Amateur Stockings, Retro Stockings, GFs In Stockings, Stockings Unlimited, Passionate Stockings
Cash Maniacs - Charming Stockings, Pornstar Stockings
Fat Pays - Cuties In Stockings
Fetish Hits - Stockings Babes
Pimproll - My Stocking Secrets
Can't say anything about convertion ratios though...