Sinai Locker Service

306 Main Ave
Sinai, SD 57061
605-826-4274

Sinai Cafe

314 Main Ave
Sinai, SD 57061
605-826-4114

Little House on the Prairie Hill

PO Box 100
Sinai, SD 57061
605-826-4282

Sinai Fire Hall

PO Box 31
Sinai, SD 57061
605-826-4291

John Henry's Lawn & Snow Service

PO Box 33
Sinai, SD 57061
605-826-4101

Citizens State Bank

PO Box 38
Sinai, SD 57061
605-826-4151

Pure Sound

PO Box 40
Sinai, SD 57061
605-826-4350

Roy Hope Ministries

PO Box 40
Sinai, SD 57061
605-826-4350

Dakota Aqua Trapping Systems

PO Box 68
Sinai, SD 57061
605-826-4170

Lake Campbell Lutheran Church

PO Box 7
Sinai, SD 57061
605-693-4512