I did a search to see if this had been posted before but couldn't find it. I did find a lot of users looking for recommendations for RV service centers so this may be of some use.
As with RV park reviews, when you use a review site, I feel it's very important to contribute as well. We all read reviews but how often do we write them? I try to post fair and honest reviews and at times even give the person or company a chance to look it over before I post it. There are occasions where they weren't aware or would like an opportunity to correct a situation so I try to be fair as long as I feel they are being fair and honest with me.
Here is a link to a review site for RV Service Centers. If you have an experience you should take the time to share it. If you're in need of a service center you can use this as a resource.
RV Service Reviews