Pickup for the sharpening services here would be an independent home center or a real hardware store or a larger shop. Several grinders near me, and very little industry around here. No problem with my 12 inch jointer knives, but they"re only sharp on one side.
My considerably larger planer came with a grinder attachment, real nice. No need to remove the knives from the cutter-head, the grinding wheel travels down the knife.