 South Canadian Co-op, your 24-7 Cenex fuel provider with pay-at-the-pump credit cards. Fuel with confidence using CFI additive to prevent gelling. Also, discover quality fertilizers for your crops. South Canadian Co-op, convenience that never sleeps. A 201 South Main in Thomas. The Voice of Western Oklahoma, KCLI-FM. Cordell, Clinton, Weatherford, Elk City. Newstalk KCLI.