Herrs potato chips in Nottingham Pa has a factory tour during the week. Not particularly close to New York, but it is closer than York.
Of x\course there is the Harley Daividson factory tour in York also.
Martin Guitar in Nazareth pa runs tours- again Mon-Fri. This would only be an hour and a half or so from New york.
I doubt you will find real factory tours open on the weekend.
thanks everybody for all suggestions
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