Found official Starbucks and Illy capsules! : r/nespresso
illy Espresso Intenso Coffee, Bold Roast (40-Count Single Serve Capsules, Compatible with Nespresso Original Line System Coffee Machines) : Grocery & Gourmet Food
Espresso & Coffee Capsules - Italian Espresso - illy Shop
Illy Iperespresso 100% Arabica Lungo Medium Roast Coffee - Espresso Capsules - 21ct : Target
Amazon.com: illy Lungo Classico Coffee, Classic Roast (Medium Roast) (40-Count single serve capsules, compatible with Nespresso Original Line System coffee machines) : Grocery & Gourmet Food
Sampler packs
10 illy Coffee Pods Capsules Compatible with Nespresso Original Line | eBay