John, here is my last list, it might be a few months old. Also, I'm alway looking for older singles and complete sets of Win Cards for my collection!

Active Casinos:
Fiesta Henderson Casino Hotel
Reno Hilton
Siena Hotel Spa Casino
Fiesta Rancho Casino Hotel
Cannery Casino-Hotel
Sunset Station
Buffalo Bill's Resort & Casino
Excalibur
Circus Circus
Four Queens (1 Unit Chips)
Four Queens (5 Unit Chips)
Slots-A-Fun
Boulder Station
Whiskey Pete's
Circus Circus
Casuarina
Silver Legacy Resort Casino
Silver Club
Boomtown Casino
Harrah's Lake Tahoe
Harveys Resort and Casino
Avi Resort & Casino
Colorado Belle Hotel & Casino
Edgewater Hotel Casino
Casino Nova Scotia
Silver Reef Casino
Cities of Gold
Santa Ana Star Casino
Bally's Casino

Inactive WinCard Casinos:
Sands Casino
Dunes Casino
Lady Luck
The Reserve
Aladdin
Virginian
Don Laughlin's Riverside
Yakama Legends Casino
High Sierra
Reno Ramada
Rail City
Tahoe-Biltmore
Princess Cruise Lines
Holland America Cruise Lines
Nevada Landing
Crystal Bay Club
Horizon Casino
Flamingo Hilton
Palace Station
Texas Station
Golden Phoenix Hotel Casino
Santa Fe Station