Greetings:Does any one have any sources (vendors) whom may be able to rebuild of the air compressor portion only for an old National air compressor. I have had a local shop look at it, but they asked if I knew of any one else who maybe a better source than themselves. Thank youKarl Johnson

While I have not had any compressors rebuilt for streetcars, I have had many compressors rebuilt working in the power plant industry. Any decent machine shop should be up to the task.