Quill reports to D&B not Experian.
Uline reports to both.
Grainger reports to D&B.
A Net 30 will report your account just fine. Just order in the middle of the month and let it sit unpaid till the next month... of course pay it on time or a bit early.
Reporting and non-reporting changes regularly for some of these Net 30's. Not so much the above 3.