It appears that that is no competition in the area of customer service, as Nikon' s appears to non-existent
I have e-mailed Nikon-USA twice with a question about repairing a camera. Despite their statement on their Custormer Service web page that "all inquiries will be answered within four days", I have received nothing from them at all, not even an acknowledgement that they have received the inquiry! I'd say Nikon "custormer service is as you described - nonexistent!!