Yes! They absolutely do. Using a Soda Sense Threaded 60L CO2 canister in your SodaStream is far more convenient and cost-effective than exchanging directly with your Soda Machine provider.
Double-check that your SodaStream takes threaded 60L CO2 canisters, although, if your machine takes a snap-in canister, you can also exchange it through the Soda Sense Refill Club.