Most reliable equipment manufacturers

I would like to know people's opinions as to which are the mist reliable manufacturers. In my book, reliability means: first and foremost, reliable and continued performance of the equipment over an extended period of time, but it also includes quality of workmanship, manuals/ease of use/design, shipping materials, upgradeability, customer service, choice of dealers, etc. For instance, in my experience I give Thiel an A rating, Sony a C.