Google tells me that "NSO" is "Nurse Malpractice" for the entire first page fold. I assume it's similarly unhelpful in other regions for other people. 'Cmon, it's not a big, recognized, entity. Wait a year and the problem will be even more apperent.
https://hn.algolia.com/?dateRange=all&prefix=true&query=NSO&...
The principle that it's good for readers to work a little is bedrock on HN. We want users who figure things out for themselves. That spurs the intellectual curiosity HN exists for.
If you have an issue with how they named their company, you could write to their CEO and let him know that he is using 3 letter entity names improperly. Unless you want the community to pick a new name to bestow upon them, I’m not sure what you expect from us.
Or we could all just simultaneously guess what popular 3 letter NSO acronym it really is?
https://acronyms.thefreedictionary.com/NSO
Seriously, that's a lame answer. There's almost certainly another "NSO" company with more past or future notoriety/revenue/whatever. Why be ambiguous when that's not actually their name? The name is , "NSO Group".