Best and Worst customer service?

My vote goes for Sonic Frontiers, as Best! I was contacted within an hours, after e-mailing a question. Wery friendly and helpfull!(they can count me-in on the next purchase) Thw Worst? Linn audio! It's been over a month since i submited a Q! I am stll e-mailing the question...i am sort of amused by now!
I recently bought two used Classe power amps. I have been on the phone with Classe a number of times for various reasons. Without a doubt, I have received the best service of all time. I am amazed at their consideration, honesty and generosity of time and spirit. I dealt with Robert Adam there. He is a true gentlman.
UPS is one of the all time worst companies in any category-their ability to ruin audio equipment and refusal to pay damage claims is deplorable.
Since I love my B&K stuff, I hate to say B&K has provided NO customer service (at least bad would be something). I have tried ad nauseum to email regarding upgrades to my REF 10 pre-pro and have receive no reply. I'm sure my dealer would help, but if I wanted to leave home, I would be on the net. For best, the majority have been good. If you shop on the net, like I do, establish an email relationship prior to buying. If they don't respond well to info and questions, you can caount on poor after the fact service.
SONY very poor customer service. They have lost more than $6,000.00 on items that I purchased from other manufacturers in Y2K. I vote with my $$$$$$ John
Great service received from Ayre Acoustics: they repaired & even upgraded an amp for me that was out of warranty, yet no charge & quick service too.