"ATK (Alliant Techsystems, now Northrop Grumman Innovation Systems) is a defense contractor. The Marriott code 259552 for ATK follows the defense contractor enforcement pattern: properties near major defense installations (Virginia, Utah, Minnesota) are more likely to verify. FlyerTalk's defense codes thread notes: "Defense contractor codes tend to face more questions at full-service properties near major installations." No specific ATK denial incident documented, but the defense sector calibration applies."

"I work as a consultant and frequently ask for and use my client's rates (at their insistence, since I will be billing them back). I have been asked for ID maybe one time in 15 since February, when it was announced in this forum that rates would be ID'ed."

"My last couple of corporate RFID cards had no company name on them for security purposes. My current company doesn’t do business cards. I use my Bonvoy card for corporate travel to get the points. I’d have to write them an email standing at the check in desk, I guess."