Speedometer Replace and Repair Service?

APK said
My 1972 Dodge Dart speedometer needs to be replaced.

Does anyone sell restored working speedometers?
Who does repair of speedometers to working condition?

Thanks for your response.

I used these guys , great work , great communication . Rbuilt my fuel amp gauge and speedo , also bought a spare speedo
http://mrheaterbox.com/instrument_clusters.htm