Earlier quoted context omitted.
Thank you for respecting their choice, though I'm concerned they've done themselves a disservice somewhat by missing out on free publicity, especially for something as glowing as this. If the author of that email reads this I do hope you claim ownership so that I can reward your company with my patronage.
Maybe Acme is afraid of exploding into too much volume, and not being able to provide that aforementioned exceptional customer service. Maybe they just choose to be humble and let their actions do the talking! Either way, this to me is speaking volumes to the type of company this is, but I do share your desire to know what the name of the company is.
I am not really impressed when a potential supplier is bad mouthing competition to get ahead of the pack. I would have a hard time trusting them, and being confident that at some stage they wouldn't bad mouth my company if I was no longer a client for XYZ reason later on....