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quote:Is there a list of manufacturers that states how long they have been in business?
I don't know of any listing, but there are some long time companies that seem to be pretty secure. The leader has to be Winnebago and Itasca is and has always been, a part of Winnebago. Allegro has been around for quite some time and also seems to be healthy and immune to take-over or closure. Some others that seem pretty healthy on that score are Newmar, National RV, and Monoco.
Keep in mind that there are names that are quite old, but that have been bought out, or taken over by other owners and are not at all the same as the origional company that may have earned a good reputation. An example that comes to mind is Airstream. They have had several different owners since the founder sold the company and they have also had some pretty sad products at times. Even though the name still exists, I would bet that the parent company, Thor Indsutries, gives little or no support to the older units that were build several company owners back.